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Finding the Fourth Proportional to 329,810.70, 494,500.05 and 130,010.70

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Solution

The fourth proportional to 329,810.70, 494,500.05 and 130,010.70 is: 194,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,810.70 : 494,500.05 = 130,010.70 : x
  2. Step 2: Convert to fraction form
    329,810.70/494,500.05 = 130,010.70/x
  3. Step 3: Cross multiply
    329,810.70x = 494,500.05 × 130,010.70
  4. Step 4: Simplify right side
    329,810.70x = 64,290,297,650.54
  5. Step 5: Solve for x
    x = 64,290,297,650.54/329,810.70
  6. Step 6: Final answer
    x = 194,930.90

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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.