Home / 287,380.24-396,596.96-160,055.83

Finding the Fourth Proportional to 287,380.24, 396,596.96 and 160,055.83

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Solution

The fourth proportional to 287,380.24, 396,596.96 and 160,055.83 is: 220,883.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,380.24 : 396,596.96 = 160,055.83 : x
  2. Step 2: Convert to fraction form
    287,380.24/396,596.96 = 160,055.83/x
  3. Step 3: Cross multiply
    287,380.24x = 396,596.96 × 160,055.83
  4. Step 4: Simplify right side
    287,380.24x = 63,477,655,608.28
  5. Step 5: Solve for x
    x = 63,477,655,608.28/287,380.24
  6. Step 6: Final answer
    x = 220,883.86

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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.