Home / 218,860.98-328,196.12-116,255.85

Finding the Fourth Proportional to 218,860.98, 328,196.12 and 116,255.85

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Solution

The fourth proportional to 218,860.98, 328,196.12 and 116,255.85 is: 174,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,860.98 : 328,196.12 = 116,255.85 : x
  2. Step 2: Convert to fraction form
    218,860.98/328,196.12 = 116,255.85/x
  3. Step 3: Cross multiply
    218,860.98x = 328,196.12 × 116,255.85
  4. Step 4: Simplify right side
    218,860.98x = 38,154,718,316.02
  5. Step 5: Solve for x
    x = 38,154,718,316.02/218,860.98
  6. Step 6: Final answer
    x = 174,333.12

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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.