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Finding the Fourth Proportional to 360,754.75, 497,833.89 and 197,410.61

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Solution

The fourth proportional to 360,754.75, 497,833.89 and 197,410.61 is: 272,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,754.75 : 497,833.89 = 197,410.61 : x
  2. Step 2: Convert to fraction form
    360,754.75/497,833.89 = 197,410.61/x
  3. Step 3: Cross multiply
    360,754.75x = 497,833.89 × 197,410.61
  4. Step 4: Simplify right side
    360,754.75x = 98,277,689,607.55
  5. Step 5: Solve for x
    x = 98,277,689,607.55/360,754.75
  6. Step 6: Final answer
    x = 272,422.44

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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.