Home / 282,232.28-423,422.19-163,789.76

Finding the Fourth Proportional to 282,232.28, 423,422.19 and 163,789.76

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Solution

The fourth proportional to 282,232.28, 423,422.19 and 163,789.76 is: 245,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,232.28 : 423,422.19 = 163,789.76 : x
  2. Step 2: Convert to fraction form
    282,232.28/423,422.19 = 163,789.76/x
  3. Step 3: Cross multiply
    282,232.28x = 423,422.19 × 163,789.76
  4. Step 4: Simplify right side
    282,232.28x = 69,352,216,761.66
  5. Step 5: Solve for x
    x = 69,352,216,761.66/282,232.28
  6. Step 6: Final answer
    x = 245,727.45

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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.