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Finding the Fourth Proportional to 367,446.62, 551,175.47 and 127,568.14

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Solution

The fourth proportional to 367,446.62, 551,175.47 and 127,568.14 is: 191,354.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,446.62 : 551,175.47 = 127,568.14 : x
  2. Step 2: Convert to fraction form
    367,446.62/551,175.47 = 127,568.14/x
  3. Step 3: Cross multiply
    367,446.62x = 551,175.47 × 127,568.14
  4. Step 4: Simplify right side
    367,446.62x = 70,312,426,127.81
  5. Step 5: Solve for x
    x = 70,312,426,127.81/367,446.62
  6. Step 6: Final answer
    x = 191,354.12

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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.