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Finding the Fourth Proportional to 474,393.42, 654,691.95 and 273,254.22

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Solution

The fourth proportional to 474,393.42, 654,691.95 and 273,254.22 is: 377,107.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,393.42 : 654,691.95 = 273,254.22 : x
  2. Step 2: Convert to fraction form
    474,393.42/654,691.95 = 273,254.22/x
  3. Step 3: Cross multiply
    474,393.42x = 654,691.95 × 273,254.22
  4. Step 4: Simplify right side
    474,393.42x = 178,897,338,137.53
  5. Step 5: Solve for x
    x = 178,897,338,137.53/474,393.42
  6. Step 6: Final answer
    x = 377,107.55

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1.5x scale

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.