Home / 215,380.76-323,071.04-57,605.11

Finding the Fourth Proportional to 215,380.76, 323,071.04 and 57,605.11

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Solution

The fourth proportional to 215,380.76, 323,071.04 and 57,605.11 is: 86,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,380.76 : 323,071.04 = 57,605.11 : x
  2. Step 2: Convert to fraction form
    215,380.76/323,071.04 = 57,605.11/x
  3. Step 3: Cross multiply
    215,380.76x = 323,071.04 × 57,605.11
  4. Step 4: Simplify right side
    215,380.76x = 18,610,542,133.35
  5. Step 5: Solve for x
    x = 18,610,542,133.35/215,380.76
  6. Step 6: Final answer
    x = 86,407.64

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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.