Home / 287,319.02-396,310.24-179,702.22

Finding the Fourth Proportional to 287,319.02, 396,310.24 and 179,702.22

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Solution

The fourth proportional to 287,319.02, 396,310.24 and 179,702.22 is: 247,870.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,319.02 : 396,310.24 = 179,702.22 : x
  2. Step 2: Convert to fraction form
    287,319.02/396,310.24 = 179,702.22/x
  3. Step 3: Cross multiply
    287,319.02x = 396,310.24 × 179,702.22
  4. Step 4: Simplify right side
    287,319.02x = 71,217,829,936.73
  5. Step 5: Solve for x
    x = 71,217,829,936.73/287,319.02
  6. Step 6: Final answer
    x = 247,870.22

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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.