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Finding the Fourth Proportional to 484,729.88, 727,427 and 169,186.76

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Solution

The fourth proportional to 484,729.88, 727,427 and 169,186.76 is: 253,896.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,729.88 : 727,427 = 169,186.76 : x
  2. Step 2: Convert to fraction form
    484,729.88/727,427 = 169,186.76/x
  3. Step 3: Cross multiply
    484,729.88x = 727,427 × 169,186.76
  4. Step 4: Simplify right side
    484,729.88x = 123,071,017,266.52
  5. Step 5: Solve for x
    x = 123,071,017,266.52/484,729.88
  6. Step 6: Final answer
    x = 253,896.08

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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.