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Finding the Fourth Proportional to 247,613.53, 371,376.38 and 112,646.24

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Solution

The fourth proportional to 247,613.53, 371,376.38 and 112,646.24 is: 168,949.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,613.53 : 371,376.38 = 112,646.24 : x
  2. Step 2: Convert to fraction form
    247,613.53/371,376.38 = 112,646.24/x
  3. Step 3: Cross multiply
    247,613.53x = 371,376.38 × 112,646.24
  4. Step 4: Simplify right side
    247,613.53x = 41,834,152,831.81
  5. Step 5: Solve for x
    x = 41,834,152,831.81/247,613.53
  6. Step 6: Final answer
    x = 168,949.39

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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.