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Finding the Fourth Proportional to 225,406.01, 337,572.29 and 130,436.04

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Solution

The fourth proportional to 225,406.01, 337,572.29 and 130,436.04 is: 195,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,406.01 : 337,572.29 = 130,436.04 : x
  2. Step 2: Convert to fraction form
    225,406.01/337,572.29 = 130,436.04/x
  3. Step 3: Cross multiply
    225,406.01x = 337,572.29 × 130,436.04
  4. Step 4: Simplify right side
    225,406.01x = 44,031,592,069.15
  5. Step 5: Solve for x
    x = 44,031,592,069.15/225,406.01
  6. Step 6: Final answer
    x = 195,343.47

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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.