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Finding the Fourth Proportional to 225,404.33, 337,569.75 and 130,434.30

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Solution

The fourth proportional to 225,404.33, 337,569.75 and 130,434.30 is: 195,340.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,404.33 : 337,569.75 = 130,434.30 : x
  2. Step 2: Convert to fraction form
    225,404.33/337,569.75 = 130,434.30/x
  3. Step 3: Cross multiply
    225,404.33x = 337,569.75 × 130,434.30
  4. Step 4: Simplify right side
    225,404.33x = 44,030,674,042.43
  5. Step 5: Solve for x
    x = 44,030,674,042.43/225,404.33
  6. Step 6: Final answer
    x = 195,340.86

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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.