Home / 214,822.80-322,234.20-120,344.40

Finding the Fourth Proportional to 214,822.80, 322,234.20 and 120,344.40

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Solution

The fourth proportional to 214,822.80, 322,234.20 and 120,344.40 is: 180,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,822.80 : 322,234.20 = 120,344.40 : x
  2. Step 2: Convert to fraction form
    214,822.80/322,234.20 = 120,344.40/x
  3. Step 3: Cross multiply
    214,822.80x = 322,234.20 × 120,344.40
  4. Step 4: Simplify right side
    214,822.80x = 38,779,081,458.48
  5. Step 5: Solve for x
    x = 38,779,081,458.48/214,822.80
  6. Step 6: Final answer
    x = 180,516.60

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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.