Home / 382,981.25-574,471.88-102,491.21

Finding the Fourth Proportional to 382,981.25, 574,471.88 and 102,491.21

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Solution

The fourth proportional to 382,981.25, 574,471.88 and 102,491.21 is: 153,736.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,981.25 : 574,471.88 = 102,491.21 : x
  2. Step 2: Convert to fraction form
    382,981.25/574,471.88 = 102,491.21/x
  3. Step 3: Cross multiply
    382,981.25x = 574,471.88 × 102,491.21
  4. Step 4: Simplify right side
    382,981.25x = 58,878,317,579.72
  5. Step 5: Solve for x
    x = 58,878,317,579.72/382,981.25
  6. Step 6: Final answer
    x = 153,736.82

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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.