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Finding the Fourth Proportional to 339,356.07, 468,138.14 and 216,719.57

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Solution

The fourth proportional to 339,356.07, 468,138.14 and 216,719.57 is: 298,962.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,356.07 : 468,138.14 = 216,719.57 : x
  2. Step 2: Convert to fraction form
    339,356.07/468,138.14 = 216,719.57/x
  3. Step 3: Cross multiply
    339,356.07x = 468,138.14 × 216,719.57
  4. Step 4: Simplify right side
    339,356.07x = 101,454,694,147.46
  5. Step 5: Solve for x
    x = 101,454,694,147.46/339,356.07
  6. Step 6: Final answer
    x = 298,962.37

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1.5x scale

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.