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Finding the Fourth Proportional to 474,034.33, 654,154.81 and 280,452.03

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Solution

The fourth proportional to 474,034.33, 654,154.81 and 280,452.03 is: 387,016.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,034.33 : 654,154.81 = 280,452.03 : x
  2. Step 2: Convert to fraction form
    474,034.33/654,154.81 = 280,452.03/x
  3. Step 3: Cross multiply
    474,034.33x = 654,154.81 × 280,452.03
  4. Step 4: Simplify right side
    474,034.33x = 183,459,044,398.76
  5. Step 5: Solve for x
    x = 183,459,044,398.76/474,034.33
  6. Step 6: Final answer
    x = 387,016.37

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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.