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Finding the Fourth Proportional to 436,852.92, 655,278.90 and 137,359.72

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Solution

The fourth proportional to 436,852.92, 655,278.90 and 137,359.72 is: 206,039.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,852.92 : 655,278.90 = 137,359.72 : x
  2. Step 2: Convert to fraction form
    436,852.92/655,278.90 = 137,359.72/x
  3. Step 3: Cross multiply
    436,852.92x = 655,278.90 × 137,359.72
  4. Step 4: Simplify right side
    436,852.92x = 90,008,926,225.91
  5. Step 5: Solve for x
    x = 90,008,926,225.91/436,852.92
  6. Step 6: Final answer
    x = 206,039.43

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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.