Home / 272,318.76-407,778.30-166,817.88

Finding the Fourth Proportional to 272,318.76, 407,778.30 and 166,817.88

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Solution

The fourth proportional to 272,318.76, 407,778.30 and 166,817.88 is: 249,798.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,318.76 : 407,778.30 = 166,817.88 : x
  2. Step 2: Convert to fraction form
    272,318.76/407,778.30 = 166,817.88/x
  3. Step 3: Cross multiply
    272,318.76x = 407,778.30 × 166,817.88
  4. Step 4: Simplify right side
    272,318.76x = 68,024,711,516.00
  5. Step 5: Solve for x
    x = 68,024,711,516.00/272,318.76
  6. Step 6: Final answer
    x = 249,798.11

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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.