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Finding the Fourth Proportional to 499,057.49, 748,800.69 and 162,201.37

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Solution

The fourth proportional to 499,057.49, 748,800.69 and 162,201.37 is: 243,371.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,057.49 : 748,800.69 = 162,201.37 : x
  2. Step 2: Convert to fraction form
    499,057.49/748,800.69 = 162,201.37/x
  3. Step 3: Cross multiply
    499,057.49x = 748,800.69 × 162,201.37
  4. Step 4: Simplify right side
    499,057.49x = 121,456,497,774.95
  5. Step 5: Solve for x
    x = 121,456,497,774.95/499,057.49
  6. Step 6: Final answer
    x = 243,371.76

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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.