Home / 208,868.66-288,240.02-113,376.04

Finding the Fourth Proportional to 208,868.66, 288,240.02 and 113,376.04

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Solution

The fourth proportional to 208,868.66, 288,240.02 and 113,376.04 is: 156,459.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,868.66 : 288,240.02 = 113,376.04 : x
  2. Step 2: Convert to fraction form
    208,868.66/288,240.02 = 113,376.04/x
  3. Step 3: Cross multiply
    208,868.66x = 288,240.02 × 113,376.04
  4. Step 4: Simplify right side
    208,868.66x = 32,679,511,174.80
  5. Step 5: Solve for x
    x = 32,679,511,174.80/208,868.66
  6. Step 6: Final answer
    x = 156,459.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.