Home / 287,360.38-396,569.63-160,035.97

Finding the Fourth Proportional to 287,360.38, 396,569.63 and 160,035.97

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Solution

The fourth proportional to 287,360.38, 396,569.63 and 160,035.97 is: 220,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,360.38 : 396,569.63 = 160,035.97 : x
  2. Step 2: Convert to fraction form
    287,360.38/396,569.63 = 160,035.97/x
  3. Step 3: Cross multiply
    287,360.38x = 396,569.63 × 160,035.97
  4. Step 4: Simplify right side
    287,360.38x = 63,465,405,409.59
  5. Step 5: Solve for x
    x = 63,465,405,409.59/287,360.38
  6. Step 6: Final answer
    x = 220,856.49

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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.