Home / 208,844.02-288,202.35-113,350.78

Finding the Fourth Proportional to 208,844.02, 288,202.35 and 113,350.78

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Solution

The fourth proportional to 208,844.02, 288,202.35 and 113,350.78 is: 156,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,844.02 : 288,202.35 = 113,350.78 : x
  2. Step 2: Convert to fraction form
    208,844.02/288,202.35 = 113,350.78/x
  3. Step 3: Cross multiply
    208,844.02x = 288,202.35 × 113,350.78
  4. Step 4: Simplify right side
    208,844.02x = 32,667,961,170.33
  5. Step 5: Solve for x
    x = 32,667,961,170.33/208,844.02
  6. Step 6: Final answer
    x = 156,422.78

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1.5x scale

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.