Home / 287,634.28-396,952.50-160,309.58

Finding the Fourth Proportional to 287,634.28, 396,952.50 and 160,309.58

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Solution

The fourth proportional to 287,634.28, 396,952.50 and 160,309.58 is: 221,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,634.28 : 396,952.50 = 160,309.58 : x
  2. Step 2: Convert to fraction form
    287,634.28/396,952.50 = 160,309.58/x
  3. Step 3: Cross multiply
    287,634.28x = 396,952.50 × 160,309.58
  4. Step 4: Simplify right side
    287,634.28x = 63,635,288,554.95
  5. Step 5: Solve for x
    x = 63,635,288,554.95/287,634.28
  6. Step 6: Final answer
    x = 221,236.80

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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.