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Finding the Fourth Proportional to 185,881.88, 278,822.27 and 52,762.25

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Solution

The fourth proportional to 185,881.88, 278,822.27 and 52,762.25 is: 79,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,881.88 : 278,822.27 = 52,762.25 : x
  2. Step 2: Convert to fraction form
    185,881.88/278,822.27 = 52,762.25/x
  3. Step 3: Cross multiply
    185,881.88x = 278,822.27 × 52,762.25
  4. Step 4: Simplify right side
    185,881.88x = 14,711,288,657.38
  5. Step 5: Solve for x
    x = 14,711,288,657.38/185,881.88
  6. Step 6: Final answer
    x = 79,143.21

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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.