Home / 208,927.60-288,319.26-113,434.30

Finding the Fourth Proportional to 208,927.60, 288,319.26 and 113,434.30

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Solution

The fourth proportional to 208,927.60, 288,319.26 and 113,434.30 is: 156,538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,927.60 : 288,319.26 = 113,434.30 : x
  2. Step 2: Convert to fraction form
    208,927.60/288,319.26 = 113,434.30/x
  3. Step 3: Cross multiply
    208,927.60x = 288,319.26 × 113,434.30
  4. Step 4: Simplify right side
    208,927.60x = 32,705,293,434.62
  5. Step 5: Solve for x
    x = 32,705,293,434.62/208,927.60
  6. Step 6: Final answer
    x = 156,538.88

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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.