Home / 306,867.28-423,476.98-170,927.32

Finding the Fourth Proportional to 306,867.28, 423,476.98 and 170,927.32

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Solution

The fourth proportional to 306,867.28, 423,476.98 and 170,927.32 is: 235,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,867.28 : 423,476.98 = 170,927.32 : x
  2. Step 2: Convert to fraction form
    306,867.28/423,476.98 = 170,927.32/x
  3. Step 3: Cross multiply
    306,867.28x = 423,476.98 × 170,927.32
  4. Step 4: Simplify right side
    306,867.28x = 72,383,785,273.09
  5. Step 5: Solve for x
    x = 72,383,785,273.09/306,867.28
  6. Step 6: Final answer
    x = 235,879.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.