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Finding the Fourth Proportional to 575,770.92, 863,631.90 and 196,725.64

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Solution

The fourth proportional to 575,770.92, 863,631.90 and 196,725.64 is: 295,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,770.92 : 863,631.90 = 196,725.64 : x
  2. Step 2: Convert to fraction form
    575,770.92/863,631.90 = 196,725.64/x
  3. Step 3: Cross multiply
    575,770.92x = 863,631.90 × 196,725.64
  4. Step 4: Simplify right side
    575,770.92x = 169,898,538,251.92
  5. Step 5: Solve for x
    x = 169,898,538,251.92/575,770.92
  6. Step 6: Final answer
    x = 295,080.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.