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Finding the Fourth Proportional to 508,551.30, 762,522.39 and 171,584.46

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Solution

The fourth proportional to 508,551.30, 762,522.39 and 171,584.46 is: 257,273.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,551.30 : 762,522.39 = 171,584.46 : x
  2. Step 2: Convert to fraction form
    508,551.30/762,522.39 = 171,584.46/x
  3. Step 3: Cross multiply
    508,551.30x = 762,522.39 × 171,584.46
  4. Step 4: Simplify right side
    508,551.30x = 130,836,992,526.06
  5. Step 5: Solve for x
    x = 130,836,992,526.06/508,551.30
  6. Step 6: Final answer
    x = 257,273.93

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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.