Home / 231,138.74-318,758-177,426.02

Finding the Fourth Proportional to 231,138.74, 318,758 and 177,426.02

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Solution

The fourth proportional to 231,138.74, 318,758 and 177,426.02 is: 244,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,138.74 : 318,758 = 177,426.02 : x
  2. Step 2: Convert to fraction form
    231,138.74/318,758 = 177,426.02/x
  3. Step 3: Cross multiply
    231,138.74x = 318,758 × 177,426.02
  4. Step 4: Simplify right side
    231,138.74x = 56,555,963,283.16
  5. Step 5: Solve for x
    x = 56,555,963,283.16/231,138.74
  6. Step 6: Final answer
    x = 244,684.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.