Home / 313,278.42-469,325.78-242,812.74

Finding the Fourth Proportional to 313,278.42, 469,325.78 and 242,812.74

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Solution

The fourth proportional to 313,278.42, 469,325.78 and 242,812.74 is: 363,760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,278.42 : 469,325.78 = 242,812.74 : x
  2. Step 2: Convert to fraction form
    313,278.42/469,325.78 = 242,812.74/x
  3. Step 3: Cross multiply
    313,278.42x = 469,325.78 × 242,812.74
  4. Step 4: Simplify right side
    313,278.42x = 113,958,278,594.44
  5. Step 5: Solve for x
    x = 113,958,278,594.44/313,278.42
  6. Step 6: Final answer
    x = 363,760.38

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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.