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Finding the Fourth Proportional to 375,004.53, 517,502.61 and 202,918.71

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Solution

The fourth proportional to 375,004.53, 517,502.61 and 202,918.71 is: 280,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,004.53 : 517,502.61 = 202,918.71 : x
  2. Step 2: Convert to fraction form
    375,004.53/517,502.61 = 202,918.71/x
  3. Step 3: Cross multiply
    375,004.53x = 517,502.61 × 202,918.71
  4. Step 4: Simplify right side
    375,004.53x = 105,010,962,042.83
  5. Step 5: Solve for x
    x = 105,010,962,042.83/375,004.53
  6. Step 6: Final answer
    x = 280,025.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.