Home / 257,480.49-386,304.57-124,376.03

Finding the Fourth Proportional to 257,480.49, 386,304.57 and 124,376.03

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Solution

The fourth proportional to 257,480.49, 386,304.57 and 124,376.03 is: 186,604.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,480.49 : 386,304.57 = 124,376.03 : x
  2. Step 2: Convert to fraction form
    257,480.49/386,304.57 = 124,376.03/x
  3. Step 3: Cross multiply
    257,480.49x = 386,304.57 × 124,376.03
  4. Step 4: Simplify right side
    257,480.49x = 48,047,028,787.46
  5. Step 5: Solve for x
    x = 48,047,028,787.46/257,480.49
  6. Step 6: Final answer
    x = 186,604.54

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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.