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Finding the Fourth Proportional to 503,377.40, 755,066.10 and 187,817.60

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Solution

The fourth proportional to 503,377.40, 755,066.10 and 187,817.60 is: 281,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,377.40 : 755,066.10 = 187,817.60 : x
  2. Step 2: Convert to fraction form
    503,377.40/755,066.10 = 187,817.60/x
  3. Step 3: Cross multiply
    503,377.40x = 755,066.10 × 187,817.60
  4. Step 4: Simplify right side
    503,377.40x = 141,814,702,743.36
  5. Step 5: Solve for x
    x = 141,814,702,743.36/503,377.40
  6. Step 6: Final answer
    x = 281,726.40

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Similar ratio
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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.