Home / 218,948.40-328,398.30-179,436.60

Finding the Fourth Proportional to 218,948.40, 328,398.30 and 179,436.60

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Solution

The fourth proportional to 218,948.40, 328,398.30 and 179,436.60 is: 269,134.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,948.40 : 328,398.30 = 179,436.60 : x
  2. Step 2: Convert to fraction form
    218,948.40/328,398.30 = 179,436.60/x
  3. Step 3: Cross multiply
    218,948.40x = 328,398.30 × 179,436.60
  4. Step 4: Simplify right side
    218,948.40x = 58,926,674,397.78
  5. Step 5: Solve for x
    x = 58,926,674,397.78/218,948.40
  6. Step 6: Final answer
    x = 269,134.99

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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.