Home / 268,541.62-370,565.39-158,142.88

Finding the Fourth Proportional to 268,541.62, 370,565.39 and 158,142.88

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Solution

The fourth proportional to 268,541.62, 370,565.39 and 158,142.88 is: 218,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,541.62 : 370,565.39 = 158,142.88 : x
  2. Step 2: Convert to fraction form
    268,541.62/370,565.39 = 158,142.88/x
  3. Step 3: Cross multiply
    268,541.62x = 370,565.39 × 158,142.88
  4. Step 4: Simplify right side
    268,541.62x = 58,602,279,083.88
  5. Step 5: Solve for x
    x = 58,602,279,083.88/268,541.62
  6. Step 6: Final answer
    x = 218,224.20

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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.