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Finding the Fourth Proportional to 373,417.70, 559,458.30 and 227,091.20

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Solution

The fourth proportional to 373,417.70, 559,458.30 and 227,091.20 is: 340,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,417.70 : 559,458.30 = 227,091.20 : x
  2. Step 2: Convert to fraction form
    373,417.70/559,458.30 = 227,091.20/x
  3. Step 3: Cross multiply
    373,417.70x = 559,458.30 × 227,091.20
  4. Step 4: Simplify right side
    373,417.70x = 127,048,056,696.96
  5. Step 5: Solve for x
    x = 127,048,056,696.96/373,417.70
  6. Step 6: Final answer
    x = 340,230.41

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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.