Home / 287,380.01-396,584.43-160,055.60

Finding the Fourth Proportional to 287,380.01, 396,584.43 and 160,055.60

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Solution

The fourth proportional to 287,380.01, 396,584.43 and 160,055.60 is: 220,876.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,380.01 : 396,584.43 = 160,055.60 : x
  2. Step 2: Convert to fraction form
    287,380.01/396,584.43 = 160,055.60/x
  3. Step 3: Cross multiply
    287,380.01x = 396,584.43 × 160,055.60
  4. Step 4: Simplify right side
    287,380.01x = 63,475,558,894.31
  5. Step 5: Solve for x
    x = 63,475,558,894.31/287,380.01
  6. Step 6: Final answer
    x = 220,876.74

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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.