Home / 261,949.52-361,496.04-154,545.68

Finding the Fourth Proportional to 261,949.52, 361,496.04 and 154,545.68

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Solution

The fourth proportional to 261,949.52, 361,496.04 and 154,545.68 is: 213,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,949.52 : 361,496.04 = 154,545.68 : x
  2. Step 2: Convert to fraction form
    261,949.52/361,496.04 = 154,545.68/x
  3. Step 3: Cross multiply
    261,949.52x = 361,496.04 × 154,545.68
  4. Step 4: Simplify right side
    261,949.52x = 55,867,651,319.11
  5. Step 5: Solve for x
    x = 55,867,651,319.11/261,949.52
  6. Step 6: Final answer
    x = 213,276.40

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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.