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Finding the Fourth Proportional to 503,011.20, 754,257.60 and 187,305.60

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Solution

The fourth proportional to 503,011.20, 754,257.60 and 187,305.60 is: 280,861.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,011.20 : 754,257.60 = 187,305.60 : x
  2. Step 2: Convert to fraction form
    503,011.20/754,257.60 = 187,305.60/x
  3. Step 3: Cross multiply
    503,011.20x = 754,257.60 × 187,305.60
  4. Step 4: Simplify right side
    503,011.20x = 141,276,672,322.56
  5. Step 5: Solve for x
    x = 141,276,672,322.56/503,011.20
  6. Step 6: Final answer
    x = 280,861.88

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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.