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Finding the Fourth Proportional to 376,489.53, 564,568.52 and 176,866.65

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Solution

The fourth proportional to 376,489.53, 564,568.52 and 176,866.65 is: 265,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,489.53 : 564,568.52 = 176,866.65 : x
  2. Step 2: Convert to fraction form
    376,489.53/564,568.52 = 176,866.65/x
  3. Step 3: Cross multiply
    376,489.53x = 564,568.52 × 176,866.65
  4. Step 4: Simplify right side
    376,489.53x = 99,853,341,943.52
  5. Step 5: Solve for x
    x = 99,853,341,943.52/376,489.53
  6. Step 6: Final answer
    x = 265,222.10

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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.