Home / 287,204.46-396,349.14-159,888.66

Finding the Fourth Proportional to 287,204.46, 396,349.14 and 159,888.66

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Solution

The fourth proportional to 287,204.46, 396,349.14 and 159,888.66 is: 220,650.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,204.46 : 396,349.14 = 159,888.66 : x
  2. Step 2: Convert to fraction form
    287,204.46/396,349.14 = 159,888.66/x
  3. Step 3: Cross multiply
    287,204.46x = 396,349.14 × 159,888.66
  4. Step 4: Simplify right side
    287,204.46x = 63,371,732,886.75
  5. Step 5: Solve for x
    x = 63,371,732,886.75/287,204.46
  6. Step 6: Final answer
    x = 220,650.24

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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.