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Finding the Fourth Proportional to 382,817.87, 574,140.68 and 112,888.07

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Solution

The fourth proportional to 382,817.87, 574,140.68 and 112,888.07 is: 169,306.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,817.87 : 574,140.68 = 112,888.07 : x
  2. Step 2: Convert to fraction form
    382,817.87/574,140.68 = 112,888.07/x
  3. Step 3: Cross multiply
    382,817.87x = 574,140.68 × 112,888.07
  4. Step 4: Simplify right side
    382,817.87x = 64,813,633,273.69
  5. Step 5: Solve for x
    x = 64,813,633,273.69/382,817.87
  6. Step 6: Final answer
    x = 169,306.71

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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.