Home / 208,933.56-288,330.36-113,441.04

Finding the Fourth Proportional to 208,933.56, 288,330.36 and 113,441.04

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Solution

The fourth proportional to 208,933.56, 288,330.36 and 113,441.04 is: 156,549.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,933.56 : 288,330.36 = 113,441.04 : x
  2. Step 2: Convert to fraction form
    208,933.56/288,330.36 = 113,441.04/x
  3. Step 3: Cross multiply
    208,933.56x = 288,330.36 × 113,441.04
  4. Step 4: Simplify right side
    208,933.56x = 32,708,495,901.97
  5. Step 5: Solve for x
    x = 32,708,495,901.97/208,933.56
  6. Step 6: Final answer
    x = 156,549.75

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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.