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Finding the Fourth Proportional to 503,577.78, 755,387.51 and 148,591.80

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Solution

The fourth proportional to 503,577.78, 755,387.51 and 148,591.80 is: 222,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,577.78 : 755,387.51 = 148,591.80 : x
  2. Step 2: Convert to fraction form
    503,577.78/755,387.51 = 148,591.80/x
  3. Step 3: Cross multiply
    503,577.78x = 755,387.51 × 148,591.80
  4. Step 4: Simplify right side
    503,577.78x = 112,244,389,065.46
  5. Step 5: Solve for x
    x = 112,244,389,065.46/503,577.78
  6. Step 6: Final answer
    x = 222,893.85

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1.5x scale

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.