Home / 227,318.21-340,534.45-138,351.05

Finding the Fourth Proportional to 227,318.21, 340,534.45 and 138,351.05

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Solution

The fourth proportional to 227,318.21, 340,534.45 and 138,351.05 is: 207,257.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,318.21 : 340,534.45 = 138,351.05 : x
  2. Step 2: Convert to fraction form
    227,318.21/340,534.45 = 138,351.05/x
  3. Step 3: Cross multiply
    227,318.21x = 340,534.45 × 138,351.05
  4. Step 4: Simplify right side
    227,318.21x = 47,113,298,718.67
  5. Step 5: Solve for x
    x = 47,113,298,718.67/227,318.21
  6. Step 6: Final answer
    x = 207,257.04

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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.