Home / 287,079.84-396,167.04-158,015.52

Finding the Fourth Proportional to 287,079.84, 396,167.04 and 158,015.52

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Solution

The fourth proportional to 287,079.84, 396,167.04 and 158,015.52 is: 218,059.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,079.84 : 396,167.04 = 158,015.52 : x
  2. Step 2: Convert to fraction form
    287,079.84/396,167.04 = 158,015.52/x
  3. Step 3: Cross multiply
    287,079.84x = 396,167.04 × 158,015.52
  4. Step 4: Simplify right side
    287,079.84x = 62,600,540,832.46
  5. Step 5: Solve for x
    x = 62,600,540,832.46/287,079.84
  6. Step 6: Final answer
    x = 218,059.69

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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.