Home / 208,864.36-288,233.04-113,371.04

Finding the Fourth Proportional to 208,864.36, 288,233.04 and 113,371.04

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Solution

The fourth proportional to 208,864.36, 288,233.04 and 113,371.04 is: 156,452.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,864.36 : 288,233.04 = 113,371.04 : x
  2. Step 2: Convert to fraction form
    208,864.36/288,233.04 = 113,371.04/x
  3. Step 3: Cross multiply
    208,864.36x = 288,233.04 × 113,371.04
  4. Step 4: Simplify right side
    208,864.36x = 32,677,279,507.16
  5. Step 5: Solve for x
    x = 32,677,279,507.16/208,864.36
  6. Step 6: Final answer
    x = 156,452.16

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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.