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Finding the Fourth Proportional to 218,841.60, 327,934.32 and 168,846.96

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Solution

The fourth proportional to 218,841.60, 327,934.32 and 168,846.96 is: 253,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,841.60 : 327,934.32 = 168,846.96 : x
  2. Step 2: Convert to fraction form
    218,841.60/327,934.32 = 168,846.96/x
  3. Step 3: Cross multiply
    218,841.60x = 327,934.32 × 168,846.96
  4. Step 4: Simplify right side
    218,841.60x = 55,370,713,011.67
  5. Step 5: Solve for x
    x = 55,370,713,011.67/218,841.60
  6. Step 6: Final answer
    x = 253,017.31

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1.5x scale

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.