Home / 272,708.06-408,925.20-158,892.72

Finding the Fourth Proportional to 272,708.06, 408,925.20 and 158,892.72

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Solution

The fourth proportional to 272,708.06, 408,925.20 and 158,892.72 is: 238,259.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,708.06 : 408,925.20 = 158,892.72 : x
  2. Step 2: Convert to fraction form
    272,708.06/408,925.20 = 158,892.72/x
  3. Step 3: Cross multiply
    272,708.06x = 408,925.20 × 158,892.72
  4. Step 4: Simplify right side
    272,708.06x = 64,975,237,304.54
  5. Step 5: Solve for x
    x = 64,975,237,304.54/272,708.06
  6. Step 6: Final answer
    x = 238,259.32

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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.