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Finding the Fourth Proportional to 265,545.29, 366,447.88 and 144,687.57

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Solution

The fourth proportional to 265,545.29, 366,447.88 and 144,687.57 is: 199,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,545.29 : 366,447.88 = 144,687.57 : x
  2. Step 2: Convert to fraction form
    265,545.29/366,447.88 = 144,687.57/x
  3. Step 3: Cross multiply
    265,545.29x = 366,447.88 × 144,687.57
  4. Step 4: Simplify right side
    265,545.29x = 53,020,454,156.80
  5. Step 5: Solve for x
    x = 53,020,454,156.80/265,545.29
  6. Step 6: Final answer
    x = 199,666.33

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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.