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Finding the Fourth Proportional to 323,154.68, 484,953.39 and 112,792.59

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Solution

The fourth proportional to 323,154.68, 484,953.39 and 112,792.59 is: 169,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,154.68 : 484,953.39 = 112,792.59 : x
  2. Step 2: Convert to fraction form
    323,154.68/484,953.39 = 112,792.59/x
  3. Step 3: Cross multiply
    323,154.68x = 484,953.39 × 112,792.59
  4. Step 4: Simplify right side
    323,154.68x = 54,699,148,887.38
  5. Step 5: Solve for x
    x = 54,699,148,887.38/323,154.68
  6. Step 6: Final answer
    x = 169,266.15

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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.