Home / 867,941.70-1,301,912.55-228,244.20

Finding the Fourth Proportional to 867,941.70, 1,301,912.55 and 228,244.20

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Solution

The fourth proportional to 867,941.70, 1,301,912.55 and 228,244.20 is: 342,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,941.70 : 1,301,912.55 = 228,244.20 : x
  2. Step 2: Convert to fraction form
    867,941.70/1,301,912.55 = 228,244.20/x
  3. Step 3: Cross multiply
    867,941.70x = 1,301,912.55 × 228,244.20
  4. Step 4: Simplify right side
    867,941.70x = 297,153,988,444.71
  5. Step 5: Solve for x
    x = 297,153,988,444.71/867,941.70
  6. Step 6: Final answer
    x = 342,366.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.