Home / 287,359.44-396,568.34-160,035.04

Finding the Fourth Proportional to 287,359.44, 396,568.34 and 160,035.04

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Solution

The fourth proportional to 287,359.44, 396,568.34 and 160,035.04 is: 220,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,359.44 : 396,568.34 = 160,035.04 : x
  2. Step 2: Convert to fraction form
    287,359.44/396,568.34 = 160,035.04/x
  3. Step 3: Cross multiply
    287,359.44x = 396,568.34 × 160,035.04
  4. Step 4: Simplify right side
    287,359.44x = 63,464,828,363.04
  5. Step 5: Solve for x
    x = 63,464,828,363.04/287,359.44
  6. Step 6: Final answer
    x = 220,855.20

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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.