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Finding the Fourth Proportional to 503,748.75, 755,649.08 and 143,891.22

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Solution

The fourth proportional to 503,748.75, 755,649.08 and 143,891.22 is: 215,844.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,748.75 : 755,649.08 = 143,891.22 : x
  2. Step 2: Convert to fraction form
    503,748.75/755,649.08 = 143,891.22/x
  3. Step 3: Cross multiply
    503,748.75x = 755,649.08 × 143,891.22
  4. Step 4: Simplify right side
    503,748.75x = 108,731,267,293.62
  5. Step 5: Solve for x
    x = 108,731,267,293.62/503,748.75
  6. Step 6: Final answer
    x = 215,844.24

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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.