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Finding the Fourth Proportional to 439,265.95, 658,146.95 and 239,726.50

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Solution

The fourth proportional to 439,265.95, 658,146.95 and 239,726.50 is: 359,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,265.95 : 658,146.95 = 239,726.50 : x
  2. Step 2: Convert to fraction form
    439,265.95/658,146.95 = 239,726.50/x
  3. Step 3: Cross multiply
    439,265.95x = 658,146.95 × 239,726.50
  4. Step 4: Simplify right side
    439,265.95x = 157,775,264,809.18
  5. Step 5: Solve for x
    x = 157,775,264,809.18/439,265.95
  6. Step 6: Final answer
    x = 359,179.36

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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.