Home / 229,705.32-344,543.40-71,930.28

Finding the Fourth Proportional to 229,705.32, 344,543.40 and 71,930.28

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Solution

The fourth proportional to 229,705.32, 344,543.40 and 71,930.28 is: 107,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,705.32 : 344,543.40 = 71,930.28 : x
  2. Step 2: Convert to fraction form
    229,705.32/344,543.40 = 71,930.28/x
  3. Step 3: Cross multiply
    229,705.32x = 344,543.40 × 71,930.28
  4. Step 4: Simplify right side
    229,705.32x = 24,783,103,234.15
  5. Step 5: Solve for x
    x = 24,783,103,234.15/229,705.32
  6. Step 6: Final answer
    x = 107,890.85

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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.