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Finding the Fourth Proportional to 229,590.76, 344,405.98 and 63,378.76

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Solution

The fourth proportional to 229,590.76, 344,405.98 and 63,378.76 is: 95,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,590.76 : 344,405.98 = 63,378.76 : x
  2. Step 2: Convert to fraction form
    229,590.76/344,405.98 = 63,378.76/x
  3. Step 3: Cross multiply
    229,590.76x = 344,405.98 × 63,378.76
  4. Step 4: Simplify right side
    229,590.76x = 21,828,023,948.98
  5. Step 5: Solve for x
    x = 21,828,023,948.98/229,590.76
  6. Step 6: Final answer
    x = 95,073.62

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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.