Home / 208,867.40-288,236.04-113,373.26

Finding the Fourth Proportional to 208,867.40, 288,236.04 and 113,373.26

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Solution

The fourth proportional to 208,867.40, 288,236.04 and 113,373.26 is: 156,454.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,867.40 : 288,236.04 = 113,373.26 : x
  2. Step 2: Convert to fraction form
    208,867.40/288,236.04 = 113,373.26/x
  3. Step 3: Cross multiply
    208,867.40x = 288,236.04 × 113,373.26
  4. Step 4: Simplify right side
    208,867.40x = 32,678,259,504.29
  5. Step 5: Solve for x
    x = 32,678,259,504.29/208,867.40
  6. Step 6: Final answer
    x = 156,454.57

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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.