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Finding the Fourth Proportional to 329,756.60, 494,537.70 and 130,010.60

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Solution

The fourth proportional to 329,756.60, 494,537.70 and 130,010.60 is: 194,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,756.60 : 494,537.70 = 130,010.60 : x
  2. Step 2: Convert to fraction form
    329,756.60/494,537.70 = 130,010.60/x
  3. Step 3: Cross multiply
    329,756.60x = 494,537.70 × 130,010.60
  4. Step 4: Simplify right side
    329,756.60x = 64,295,143,099.62
  5. Step 5: Solve for x
    x = 64,295,143,099.62/329,756.60
  6. Step 6: Final answer
    x = 194,977.58

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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.