Home / 208,824.82-288,178.40-113,331.48

Finding the Fourth Proportional to 208,824.82, 288,178.40 and 113,331.48

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Solution

The fourth proportional to 208,824.82, 288,178.40 and 113,331.48 is: 156,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,824.82 : 288,178.40 = 113,331.48 : x
  2. Step 2: Convert to fraction form
    208,824.82/288,178.40 = 113,331.48/x
  3. Step 3: Cross multiply
    208,824.82x = 288,178.40 × 113,331.48
  4. Step 4: Simplify right side
    208,824.82x = 32,659,684,576.03
  5. Step 5: Solve for x
    x = 32,659,684,576.03/208,824.82
  6. Step 6: Final answer
    x = 156,397.52

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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.