Home / 287,366.01-396,565.10-160,041.60

Finding the Fourth Proportional to 287,366.01, 396,565.10 and 160,041.60

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Solution

The fourth proportional to 287,366.01, 396,565.10 and 160,041.60 is: 220,857.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,366.01 : 396,565.10 = 160,041.60 : x
  2. Step 2: Convert to fraction form
    287,366.01/396,565.10 = 160,041.60/x
  3. Step 3: Cross multiply
    287,366.01x = 396,565.10 × 160,041.60
  4. Step 4: Simplify right side
    287,366.01x = 63,466,914,977.46
  5. Step 5: Solve for x
    x = 63,466,914,977.46/287,366.01
  6. Step 6: Final answer
    x = 220,857.42

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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.