Home / 215,005.72-322,547.50-88,575.71

Finding the Fourth Proportional to 215,005.72, 322,547.50 and 88,575.71

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Solution

The fourth proportional to 215,005.72, 322,547.50 and 88,575.71 is: 132,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,005.72 : 322,547.50 = 88,575.71 : x
  2. Step 2: Convert to fraction form
    215,005.72/322,547.50 = 88,575.71/x
  3. Step 3: Cross multiply
    215,005.72x = 322,547.50 × 88,575.71
  4. Step 4: Simplify right side
    215,005.72x = 28,569,873,821.23
  5. Step 5: Solve for x
    x = 28,569,873,821.23/215,005.72
  6. Step 6: Final answer
    x = 132,879.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.