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Finding the Fourth Proportional to 503,374.40, 755,061.60 and 187,814.60

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Solution

The fourth proportional to 503,374.40, 755,061.60 and 187,814.60 is: 281,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,374.40 : 755,061.60 = 187,814.60 : x
  2. Step 2: Convert to fraction form
    503,374.40/755,061.60 = 187,814.60/x
  3. Step 3: Cross multiply
    503,374.40x = 755,061.60 × 187,814.60
  4. Step 4: Simplify right side
    503,374.40x = 141,811,592,379.36
  5. Step 5: Solve for x
    x = 141,811,592,379.36/503,374.40
  6. Step 6: Final answer
    x = 281,721.90

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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.