Home / 287,151.54-396,265.05-159,827.10

Finding the Fourth Proportional to 287,151.54, 396,265.05 and 159,827.10

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Solution

The fourth proportional to 287,151.54, 396,265.05 and 159,827.10 is: 220,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,151.54 : 396,265.05 = 159,827.10 : x
  2. Step 2: Convert to fraction form
    287,151.54/396,265.05 = 159,827.10/x
  3. Step 3: Cross multiply
    287,151.54x = 396,265.05 × 159,827.10
  4. Step 4: Simplify right side
    287,151.54x = 63,333,893,772.86
  5. Step 5: Solve for x
    x = 63,333,893,772.86/287,151.54
  6. Step 6: Final answer
    x = 220,559.13

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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.