Home / 215,842.90-323,764.35-152,857.30

Finding the Fourth Proportional to 215,842.90, 323,764.35 and 152,857.30

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Solution

The fourth proportional to 215,842.90, 323,764.35 and 152,857.30 is: 229,285.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,842.90 : 323,764.35 = 152,857.30 : x
  2. Step 2: Convert to fraction form
    215,842.90/323,764.35 = 152,857.30/x
  3. Step 3: Cross multiply
    215,842.90x = 323,764.35 × 152,857.30
  4. Step 4: Simplify right side
    215,842.90x = 49,489,744,377.26
  5. Step 5: Solve for x
    x = 49,489,744,377.26/215,842.90
  6. Step 6: Final answer
    x = 229,285.95

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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.