Home / 377,902.17-521,481.07-208,136.30

Finding the Fourth Proportional to 377,902.17, 521,481.07 and 208,136.30

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Solution

The fourth proportional to 377,902.17, 521,481.07 and 208,136.30 is: 287,214.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,902.17 : 521,481.07 = 208,136.30 : x
  2. Step 2: Convert to fraction form
    377,902.17/521,481.07 = 208,136.30/x
  3. Step 3: Cross multiply
    377,902.17x = 521,481.07 × 208,136.30
  4. Step 4: Simplify right side
    377,902.17x = 108,539,138,082.61
  5. Step 5: Solve for x
    x = 108,539,138,082.61/377,902.17
  6. Step 6: Final answer
    x = 287,214.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.