Home / 218,808.45-328,212.68-179,410.05

Finding the Fourth Proportional to 218,808.45, 328,212.68 and 179,410.05

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Solution

The fourth proportional to 218,808.45, 328,212.68 and 179,410.05 is: 269,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,808.45 : 328,212.68 = 179,410.05 : x
  2. Step 2: Convert to fraction form
    218,808.45/328,212.68 = 179,410.05/x
  3. Step 3: Cross multiply
    218,808.45x = 328,212.68 × 179,410.05
  4. Step 4: Simplify right side
    218,808.45x = 58,884,652,432.38
  5. Step 5: Solve for x
    x = 58,884,652,432.38/218,808.45
  6. Step 6: Final answer
    x = 269,115.08

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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.