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Finding the Fourth Proportional to 375,369.29, 518,061.17 and 230,149.40

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Solution

The fourth proportional to 375,369.29, 518,061.17 and 230,149.40 is: 317,637.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,369.29 : 518,061.17 = 230,149.40 : x
  2. Step 2: Convert to fraction form
    375,369.29/518,061.17 = 230,149.40/x
  3. Step 3: Cross multiply
    375,369.29x = 518,061.17 × 230,149.40
  4. Step 4: Simplify right side
    375,369.29x = 119,231,464,129.28
  5. Step 5: Solve for x
    x = 119,231,464,129.28/375,369.29
  6. Step 6: Final answer
    x = 317,637.77

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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.