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Finding the Fourth Proportional to 222,859.98, 334,377.48 and 98,113.50

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Solution

The fourth proportional to 222,859.98, 334,377.48 and 98,113.50 is: 147,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,859.98 : 334,377.48 = 98,113.50 : x
  2. Step 2: Convert to fraction form
    222,859.98/334,377.48 = 98,113.50/x
  3. Step 3: Cross multiply
    222,859.98x = 334,377.48 × 98,113.50
  4. Step 4: Simplify right side
    222,859.98x = 32,806,944,883.98
  5. Step 5: Solve for x
    x = 32,806,944,883.98/222,859.98
  6. Step 6: Final answer
    x = 147,208.78

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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.