Home / 282,414.40-423,621.60-170,221.30

Finding the Fourth Proportional to 282,414.40, 423,621.60 and 170,221.30

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Solution

The fourth proportional to 282,414.40, 423,621.60 and 170,221.30 is: 255,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,414.40 : 423,621.60 = 170,221.30 : x
  2. Step 2: Convert to fraction form
    282,414.40/423,621.60 = 170,221.30/x
  3. Step 3: Cross multiply
    282,414.40x = 423,621.60 × 170,221.30
  4. Step 4: Simplify right side
    282,414.40x = 72,109,419,460.08
  5. Step 5: Solve for x
    x = 72,109,419,460.08/282,414.40
  6. Step 6: Final answer
    x = 255,331.95

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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.