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Finding the Fourth Proportional to 297,373.50, 410,103.18 and 195,358.50

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Solution

The fourth proportional to 297,373.50, 410,103.18 and 195,358.50 is: 269,415.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,373.50 : 410,103.18 = 195,358.50 : x
  2. Step 2: Convert to fraction form
    297,373.50/410,103.18 = 195,358.50/x
  3. Step 3: Cross multiply
    297,373.50x = 410,103.18 × 195,358.50
  4. Step 4: Simplify right side
    297,373.50x = 80,117,142,090.03
  5. Step 5: Solve for x
    x = 80,117,142,090.03/297,373.50
  6. Step 6: Final answer
    x = 269,415.88

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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.