Home / 264,862.90-397,306.59-87,385.42

Finding the Fourth Proportional to 264,862.90, 397,306.59 and 87,385.42

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Solution

The fourth proportional to 264,862.90, 397,306.59 and 87,385.42 is: 131,082.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,862.90 : 397,306.59 = 87,385.42 : x
  2. Step 2: Convert to fraction form
    264,862.90/397,306.59 = 87,385.42/x
  3. Step 3: Cross multiply
    264,862.90x = 397,306.59 × 87,385.42
  4. Step 4: Simplify right side
    264,862.90x = 34,718,803,235.92
  5. Step 5: Solve for x
    x = 34,718,803,235.92/264,862.90
  6. Step 6: Final answer
    x = 131,082.17

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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.