Home / 272,320.76-407,781.30-166,819.88

Finding the Fourth Proportional to 272,320.76, 407,781.30 and 166,819.88

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Solution

The fourth proportional to 272,320.76, 407,781.30 and 166,819.88 is: 249,801.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,320.76 : 407,781.30 = 166,819.88 : x
  2. Step 2: Convert to fraction form
    272,320.76/407,781.30 = 166,819.88/x
  3. Step 3: Cross multiply
    272,320.76x = 407,781.30 × 166,819.88
  4. Step 4: Simplify right side
    272,320.76x = 68,026,027,532.24
  5. Step 5: Solve for x
    x = 68,026,027,532.24/272,320.76
  6. Step 6: Final answer
    x = 249,801.11

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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.