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Finding the Fourth Proportional to 591,959.94, 887,991.87 and 165,500.43

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Solution

The fourth proportional to 591,959.94, 887,991.87 and 165,500.43 is: 248,265.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,959.94 : 887,991.87 = 165,500.43 : x
  2. Step 2: Convert to fraction form
    591,959.94/887,991.87 = 165,500.43/x
  3. Step 3: Cross multiply
    591,959.94x = 887,991.87 × 165,500.43
  4. Step 4: Simplify right side
    591,959.94x = 146,963,036,321.50
  5. Step 5: Solve for x
    x = 146,963,036,321.50/591,959.94
  6. Step 6: Final answer
    x = 248,265.17

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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.