Home / 339,947.10-509,920.65-227,972.70

Finding the Fourth Proportional to 339,947.10, 509,920.65 and 227,972.70

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Solution

The fourth proportional to 339,947.10, 509,920.65 and 227,972.70 is: 341,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,947.10 : 509,920.65 = 227,972.70 : x
  2. Step 2: Convert to fraction form
    339,947.10/509,920.65 = 227,972.70/x
  3. Step 3: Cross multiply
    339,947.10x = 509,920.65 × 227,972.70
  4. Step 4: Simplify right side
    339,947.10x = 116,247,987,366.26
  5. Step 5: Solve for x
    x = 116,247,987,366.26/339,947.10
  6. Step 6: Final answer
    x = 341,959.05

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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.