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Finding the Fourth Proportional to 538,486.90, 807,730.35 and 183,901.30

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Solution

The fourth proportional to 538,486.90, 807,730.35 and 183,901.30 is: 275,851.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,486.90 : 807,730.35 = 183,901.30 : x
  2. Step 2: Convert to fraction form
    538,486.90/807,730.35 = 183,901.30/x
  3. Step 3: Cross multiply
    538,486.90x = 807,730.35 × 183,901.30
  4. Step 4: Simplify right side
    538,486.90x = 148,542,661,414.46
  5. Step 5: Solve for x
    x = 148,542,661,414.46/538,486.90
  6. Step 6: Final answer
    x = 275,851.95

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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.