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Finding the Fourth Proportional to 339,947.46, 510,085.20 and 239,892.20

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Solution

The fourth proportional to 339,947.46, 510,085.20 and 239,892.20 is: 359,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,947.46 : 510,085.20 = 239,892.20 : x
  2. Step 2: Convert to fraction form
    339,947.46/510,085.20 = 239,892.20/x
  3. Step 3: Cross multiply
    339,947.46x = 510,085.20 × 239,892.20
  4. Step 4: Simplify right side
    339,947.46x = 122,365,460,815.44
  5. Step 5: Solve for x
    x = 122,365,460,815.44/339,947.46
  6. Step 6: Final answer
    x = 359,954.04

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1.5x scale

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.