Home / 358,820.28-538,043.55-169,229.73

Finding the Fourth Proportional to 358,820.28, 538,043.55 and 169,229.73

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Solution

The fourth proportional to 358,820.28, 538,043.55 and 169,229.73 is: 253,756.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,820.28 : 538,043.55 = 169,229.73 : x
  2. Step 2: Convert to fraction form
    358,820.28/538,043.55 = 169,229.73/x
  3. Step 3: Cross multiply
    358,820.28x = 538,043.55 × 169,229.73
  4. Step 4: Simplify right side
    358,820.28x = 91,052,964,694.74
  5. Step 5: Solve for x
    x = 91,052,964,694.74/358,820.28
  6. Step 6: Final answer
    x = 253,756.46

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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.