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Finding the Fourth Proportional to 339,320.68, 468,283.62 and 188,418.76

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Solution

The fourth proportional to 339,320.68, 468,283.62 and 188,418.76 is: 260,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,320.68 : 468,283.62 = 188,418.76 : x
  2. Step 2: Convert to fraction form
    339,320.68/468,283.62 = 188,418.76/x
  3. Step 3: Cross multiply
    339,320.68x = 468,283.62 × 188,418.76
  4. Step 4: Simplify right side
    339,320.68x = 88,233,419,008.71
  5. Step 5: Solve for x
    x = 88,233,419,008.71/339,320.68
  6. Step 6: Final answer
    x = 260,029.60

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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.