Home / 287,373.75-396,547.37-160,061.19

Finding the Fourth Proportional to 287,373.75, 396,547.37 and 160,061.19

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Solution

The fourth proportional to 287,373.75, 396,547.37 and 160,061.19 is: 220,868.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,373.75 : 396,547.37 = 160,061.19 : x
  2. Step 2: Convert to fraction form
    287,373.75/396,547.37 = 160,061.19/x
  3. Step 3: Cross multiply
    287,373.75x = 396,547.37 × 160,061.19
  4. Step 4: Simplify right side
    287,373.75x = 63,471,843,933.57
  5. Step 5: Solve for x
    x = 63,471,843,933.57/287,373.75
  6. Step 6: Final answer
    x = 220,868.62

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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.