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Finding the Fourth Proportional to 550,729.27, 825,935.10 and 151,383.07

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Solution

The fourth proportional to 550,729.27, 825,935.10 and 151,383.07 is: 227,030.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,729.27 : 825,935.10 = 151,383.07 : x
  2. Step 2: Convert to fraction form
    550,729.27/825,935.10 = 151,383.07/x
  3. Step 3: Cross multiply
    550,729.27x = 825,935.10 × 151,383.07
  4. Step 4: Simplify right side
    550,729.27x = 125,032,591,058.76
  5. Step 5: Solve for x
    x = 125,032,591,058.76/550,729.27
  6. Step 6: Final answer
    x = 227,030.95

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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.