Home / 287,177.40-396,294.12-159,850.26

Finding the Fourth Proportional to 287,177.40, 396,294.12 and 159,850.26

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Solution

The fourth proportional to 287,177.40, 396,294.12 and 159,850.26 is: 220,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,177.40 : 396,294.12 = 159,850.26 : x
  2. Step 2: Convert to fraction form
    287,177.40/396,294.12 = 159,850.26/x
  3. Step 3: Cross multiply
    287,177.40x = 396,294.12 × 159,850.26
  4. Step 4: Simplify right side
    287,177.40x = 63,347,718,118.47
  5. Step 5: Solve for x
    x = 63,347,718,118.47/287,177.40
  6. Step 6: Final answer
    x = 220,587.41

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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.