Home / 287,174.40-396,293.94-159,847.26

Finding the Fourth Proportional to 287,174.40, 396,293.94 and 159,847.26

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Solution

The fourth proportional to 287,174.40, 396,293.94 and 159,847.26 is: 220,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,174.40 : 396,293.94 = 159,847.26 : x
  2. Step 2: Convert to fraction form
    287,174.40/396,293.94 = 159,847.26/x
  3. Step 3: Cross multiply
    287,174.40x = 396,293.94 × 159,847.26
  4. Step 4: Simplify right side
    287,174.40x = 63,346,500,463.60
  5. Step 5: Solve for x
    x = 63,346,500,463.60/287,174.40
  6. Step 6: Final answer
    x = 220,585.47

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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.