Home / 253,585.40-380,164.02-159,884.60

Finding the Fourth Proportional to 253,585.40, 380,164.02 and 159,884.60

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Solution

The fourth proportional to 253,585.40, 380,164.02 and 159,884.60 is: 239,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,585.40 : 380,164.02 = 159,884.60 : x
  2. Step 2: Convert to fraction form
    253,585.40/380,164.02 = 159,884.60/x
  3. Step 3: Cross multiply
    253,585.40x = 380,164.02 × 159,884.60
  4. Step 4: Simplify right side
    253,585.40x = 60,782,372,272.09
  5. Step 5: Solve for x
    x = 60,782,372,272.09/253,585.40
  6. Step 6: Final answer
    x = 239,691.92

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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.