Home / 228,945.70-343,418.55-71,190.10

Finding the Fourth Proportional to 228,945.70, 343,418.55 and 71,190.10

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Solution

The fourth proportional to 228,945.70, 343,418.55 and 71,190.10 is: 106,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,945.70 : 343,418.55 = 71,190.10 : x
  2. Step 2: Convert to fraction form
    228,945.70/343,418.55 = 71,190.10/x
  3. Step 3: Cross multiply
    228,945.70x = 343,418.55 × 71,190.10
  4. Step 4: Simplify right side
    228,945.70x = 24,448,000,916.36
  5. Step 5: Solve for x
    x = 24,448,000,916.36/228,945.70
  6. Step 6: Final answer
    x = 106,785.15

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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.