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Finding the Fourth Proportional to 375,926.48, 518,636.20 and 239,965.52

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Solution

The fourth proportional to 375,926.48, 518,636.20 and 239,965.52 is: 331,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,926.48 : 518,636.20 = 239,965.52 : x
  2. Step 2: Convert to fraction form
    375,926.48/518,636.20 = 239,965.52/x
  3. Step 3: Cross multiply
    375,926.48x = 518,636.20 × 239,965.52
  4. Step 4: Simplify right side
    375,926.48x = 124,454,805,423.82
  5. Step 5: Solve for x
    x = 124,454,805,423.82/375,926.48
  6. Step 6: Final answer
    x = 331,061.56

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