Home / 287,373.47-396,587.64-160,049.06

Finding the Fourth Proportional to 287,373.47, 396,587.64 and 160,049.06

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Solution

The fourth proportional to 287,373.47, 396,587.64 and 160,049.06 is: 220,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,373.47 : 396,587.64 = 160,049.06 : x
  2. Step 2: Convert to fraction form
    287,373.47/396,587.64 = 160,049.06/x
  3. Step 3: Cross multiply
    287,373.47x = 396,587.64 × 160,049.06
  4. Step 4: Simplify right side
    287,373.47x = 63,473,481,324.87
  5. Step 5: Solve for x
    x = 63,473,481,324.87/287,373.47
  6. Step 6: Final answer
    x = 220,874.53

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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.