Home / 382,981.50-574,472.25-102,491.46

Finding the Fourth Proportional to 382,981.50, 574,472.25 and 102,491.46

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Solution

The fourth proportional to 382,981.50, 574,472.25 and 102,491.46 is: 153,737.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,981.50 : 574,472.25 = 102,491.46 : x
  2. Step 2: Convert to fraction form
    382,981.50/574,472.25 = 102,491.46/x
  3. Step 3: Cross multiply
    382,981.50x = 574,472.25 × 102,491.46
  4. Step 4: Simplify right side
    382,981.50x = 58,878,499,631.99
  5. Step 5: Solve for x
    x = 58,878,499,631.99/382,981.50
  6. Step 6: Final answer
    x = 153,737.19

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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.