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Finding the Fourth Proportional to 503,498.68, 755,250 and 203,984.92

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Solution

The fourth proportional to 503,498.68, 755,250 and 203,984.92 is: 305,978.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,498.68 : 755,250 = 203,984.92 : x
  2. Step 2: Convert to fraction form
    503,498.68/755,250 = 203,984.92/x
  3. Step 3: Cross multiply
    503,498.68x = 755,250 × 203,984.92
  4. Step 4: Simplify right side
    503,498.68x = 154,059,610,830
  5. Step 5: Solve for x
    x = 154,059,610,830/503,498.68
  6. Step 6: Final answer
    x = 305,978.18

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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.