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Finding the Fourth Proportional to 239,832.29, 359,341.95 and 144,862.95

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Solution

The fourth proportional to 239,832.29, 359,341.95 and 144,862.95 is: 217,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,832.29 : 359,341.95 = 144,862.95 : x
  2. Step 2: Convert to fraction form
    239,832.29/359,341.95 = 144,862.95/x
  3. Step 3: Cross multiply
    239,832.29x = 359,341.95 × 144,862.95
  4. Step 4: Simplify right side
    239,832.29x = 52,055,333,139.04
  5. Step 5: Solve for x
    x = 52,055,333,139.04/239,832.29
  6. Step 6: Final answer
    x = 217,048.90

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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.