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Finding the Fourth Proportional to 474,291.72, 654,543.54 and 273,152.52

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Solution

The fourth proportional to 474,291.72, 654,543.54 and 273,152.52 is: 376,962.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,291.72 : 654,543.54 = 273,152.52 : x
  2. Step 2: Convert to fraction form
    474,291.72/654,543.54 = 273,152.52/x
  3. Step 3: Cross multiply
    474,291.72x = 654,543.54 × 273,152.52
  4. Step 4: Simplify right side
    474,291.72x = 178,790,217,400.72
  5. Step 5: Solve for x
    x = 178,790,217,400.72/474,291.72
  6. Step 6: Final answer
    x = 376,962.55

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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.