Home / 287,591.04-396,883.80-160,265.52

Finding the Fourth Proportional to 287,591.04, 396,883.80 and 160,265.52

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Solution

The fourth proportional to 287,591.04, 396,883.80 and 160,265.52 is: 221,170.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,591.04 : 396,883.80 = 160,265.52 : x
  2. Step 2: Convert to fraction form
    287,591.04/396,883.80 = 160,265.52/x
  3. Step 3: Cross multiply
    287,591.04x = 396,883.80 × 160,265.52
  4. Step 4: Simplify right side
    287,591.04x = 63,606,788,586.58
  5. Step 5: Solve for x
    x = 63,606,788,586.58/287,591.04
  6. Step 6: Final answer
    x = 221,170.97

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1.5x scale

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.