Home / 272,577.34-408,691.05-178,973.74

Finding the Fourth Proportional to 272,577.34, 408,691.05 and 178,973.74

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Solution

The fourth proportional to 272,577.34, 408,691.05 and 178,973.74 is: 268,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,577.34 : 408,691.05 = 178,973.74 : x
  2. Step 2: Convert to fraction form
    272,577.34/408,691.05 = 178,973.74/x
  3. Step 3: Cross multiply
    272,577.34x = 408,691.05 × 178,973.74
  4. Step 4: Simplify right side
    272,577.34x = 73,144,965,723.03
  5. Step 5: Solve for x
    x = 73,144,965,723.03/272,577.34
  6. Step 6: Final answer
    x = 268,345.73

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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.