Home / 306,456.28-458,734.02-165,866.20

Finding the Fourth Proportional to 306,456.28, 458,734.02 and 165,866.20

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Solution

The fourth proportional to 306,456.28, 458,734.02 and 165,866.20 is: 248,284.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,456.28 : 458,734.02 = 165,866.20 : x
  2. Step 2: Convert to fraction form
    306,456.28/458,734.02 = 165,866.20/x
  3. Step 3: Cross multiply
    306,456.28x = 458,734.02 × 165,866.20
  4. Step 4: Simplify right side
    306,456.28x = 76,088,468,708.12
  5. Step 5: Solve for x
    x = 76,088,468,708.12/306,456.28
  6. Step 6: Final answer
    x = 248,284.91

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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.