Home / 287,448.60-396,691.02-160,124.16

Finding the Fourth Proportional to 287,448.60, 396,691.02 and 160,124.16

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Solution

The fourth proportional to 287,448.60, 396,691.02 and 160,124.16 is: 220,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,448.60 : 396,691.02 = 160,124.16 : x
  2. Step 2: Convert to fraction form
    287,448.60/396,691.02 = 160,124.16/x
  3. Step 3: Cross multiply
    287,448.60x = 396,691.02 × 160,124.16
  4. Step 4: Simplify right side
    287,448.60x = 63,519,816,357.04
  5. Step 5: Solve for x
    x = 63,519,816,357.04/287,448.60
  6. Step 6: Final answer
    x = 220,978.00

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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.