Home / 218,899.35-328,170.74-146,926.49

Finding the Fourth Proportional to 218,899.35, 328,170.74 and 146,926.49

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Solution

The fourth proportional to 218,899.35, 328,170.74 and 146,926.49 is: 220,270.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,899.35 : 328,170.74 = 146,926.49 : x
  2. Step 2: Convert to fraction form
    218,899.35/328,170.74 = 146,926.49/x
  3. Step 3: Cross multiply
    218,899.35x = 328,170.74 × 146,926.49
  4. Step 4: Simplify right side
    218,899.35x = 48,216,972,573.42
  5. Step 5: Solve for x
    x = 48,216,972,573.42/218,899.35
  6. Step 6: Final answer
    x = 220,270.06

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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.