Home / 296,137.76-408,679.96-162,001.76

Finding the Fourth Proportional to 296,137.76, 408,679.96 and 162,001.76

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Solution

The fourth proportional to 296,137.76, 408,679.96 and 162,001.76 is: 223,567.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,137.76 : 408,679.96 = 162,001.76 : x
  2. Step 2: Convert to fraction form
    296,137.76/408,679.96 = 162,001.76/x
  3. Step 3: Cross multiply
    296,137.76x = 408,679.96 × 162,001.76
  4. Step 4: Simplify right side
    296,137.76x = 66,206,872,796.73
  5. Step 5: Solve for x
    x = 66,206,872,796.73/296,137.76
  6. Step 6: Final answer
    x = 223,567.82

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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.