Home / 208,844.31-288,205.35-113,351.04

Finding the Fourth Proportional to 208,844.31, 288,205.35 and 113,351.04

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Solution

The fourth proportional to 208,844.31, 288,205.35 and 113,351.04 is: 156,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,844.31 : 288,205.35 = 113,351.04 : x
  2. Step 2: Convert to fraction form
    208,844.31/288,205.35 = 113,351.04/x
  3. Step 3: Cross multiply
    208,844.31x = 288,205.35 × 113,351.04
  4. Step 4: Simplify right side
    208,844.31x = 32,668,376,156.06
  5. Step 5: Solve for x
    x = 32,668,376,156.06/208,844.31
  6. Step 6: Final answer
    x = 156,424.54

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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.