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Finding the Fourth Proportional to 230,353.44, 317,907.20 and 129,770.88

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Solution

The fourth proportional to 230,353.44, 317,907.20 and 129,770.88 is: 179,094.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,353.44 : 317,907.20 = 129,770.88 : x
  2. Step 2: Convert to fraction form
    230,353.44/317,907.20 = 129,770.88/x
  3. Step 3: Cross multiply
    230,353.44x = 317,907.20 × 129,770.88
  4. Step 4: Simplify right side
    230,353.44x = 41,255,097,102.34
  5. Step 5: Solve for x
    x = 41,255,097,102.34/230,353.44
  6. Step 6: Final answer
    x = 179,094.77

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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.