Home / 272,318.82-407,778.39-166,817.94

Finding the Fourth Proportional to 272,318.82, 407,778.39 and 166,817.94

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Solution

The fourth proportional to 272,318.82, 407,778.39 and 166,817.94 is: 249,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,318.82 : 407,778.39 = 166,817.94 : x
  2. Step 2: Convert to fraction form
    272,318.82/407,778.39 = 166,817.94/x
  3. Step 3: Cross multiply
    272,318.82x = 407,778.39 × 166,817.94
  4. Step 4: Simplify right side
    272,318.82x = 68,024,752,641.33
  5. Step 5: Solve for x
    x = 68,024,752,641.33/272,318.82
  6. Step 6: Final answer
    x = 249,798.20

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1.5x scale

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.