Home / 248,631.60-372,947.40-154,153.20

Finding the Fourth Proportional to 248,631.60, 372,947.40 and 154,153.20

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Solution

The fourth proportional to 248,631.60, 372,947.40 and 154,153.20 is: 231,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,631.60 : 372,947.40 = 154,153.20 : x
  2. Step 2: Convert to fraction form
    248,631.60/372,947.40 = 154,153.20/x
  3. Step 3: Cross multiply
    248,631.60x = 372,947.40 × 154,153.20
  4. Step 4: Simplify right side
    248,631.60x = 57,491,035,141.68
  5. Step 5: Solve for x
    x = 57,491,035,141.68/248,631.60
  6. Step 6: Final answer
    x = 231,229.80

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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.