Home / 208,824.50-288,178.02-113,331.20

Finding the Fourth Proportional to 208,824.50, 288,178.02 and 113,331.20

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Solution

The fourth proportional to 208,824.50, 288,178.02 and 113,331.20 is: 156,397.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,824.50 : 288,178.02 = 113,331.20 : x
  2. Step 2: Convert to fraction form
    208,824.50/288,178.02 = 113,331.20/x
  3. Step 3: Cross multiply
    208,824.50x = 288,178.02 × 113,331.20
  4. Step 4: Simplify right side
    208,824.50x = 32,659,560,820.22
  5. Step 5: Solve for x
    x = 32,659,560,820.22/208,824.50
  6. Step 6: Final answer
    x = 156,397.17

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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.