Home / 287,382.24-396,599.72-160,057.83

Finding the Fourth Proportional to 287,382.24, 396,599.72 and 160,057.83

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Solution

The fourth proportional to 287,382.24, 396,599.72 and 160,057.83 is: 220,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,382.24 : 396,599.72 = 160,057.83 : x
  2. Step 2: Convert to fraction form
    287,382.24/396,599.72 = 160,057.83/x
  3. Step 3: Cross multiply
    287,382.24x = 396,599.72 × 160,057.83
  4. Step 4: Simplify right side
    287,382.24x = 63,478,890,561.81
  5. Step 5: Solve for x
    x = 63,478,890,561.81/287,382.24
  6. Step 6: Final answer
    x = 220,886.62

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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.