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Finding the Fourth Proportional to 170,882.60, 256,323.90 and 100,898.60

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Solution

The fourth proportional to 170,882.60, 256,323.90 and 100,898.60 is: 151,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,882.60 : 256,323.90 = 100,898.60 : x
  2. Step 2: Convert to fraction form
    170,882.60/256,323.90 = 100,898.60/x
  3. Step 3: Cross multiply
    170,882.60x = 256,323.90 × 100,898.60
  4. Step 4: Simplify right side
    170,882.60x = 25,862,722,656.54
  5. Step 5: Solve for x
    x = 25,862,722,656.54/170,882.60
  6. Step 6: Final answer
    x = 151,347.90

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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.