Home / 272,311.20-375,760.80-151,432.92

Finding the Fourth Proportional to 272,311.20, 375,760.80 and 151,432.92

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Solution

The fourth proportional to 272,311.20, 375,760.80 and 151,432.92 is: 208,961.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,311.20 : 375,760.80 = 151,432.92 : x
  2. Step 2: Convert to fraction form
    272,311.20/375,760.80 = 151,432.92/x
  3. Step 3: Cross multiply
    272,311.20x = 375,760.80 × 151,432.92
  4. Step 4: Simplify right side
    272,311.20x = 56,902,555,165.54
  5. Step 5: Solve for x
    x = 56,902,555,165.54/272,311.20
  6. Step 6: Final answer
    x = 208,961.49

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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.