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Finding the Fourth Proportional to 501,504.28, 752,253.82 and 122,427.02

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Solution

The fourth proportional to 501,504.28, 752,253.82 and 122,427.02 is: 183,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,504.28 : 752,253.82 = 122,427.02 : x
  2. Step 2: Convert to fraction form
    501,504.28/752,253.82 = 122,427.02/x
  3. Step 3: Cross multiply
    501,504.28x = 752,253.82 × 122,427.02
  4. Step 4: Simplify right side
    501,504.28x = 92,096,195,040.78
  5. Step 5: Solve for x
    x = 92,096,195,040.78/501,504.28
  6. Step 6: Final answer
    x = 183,639.90

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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.