Home / 274,319.59-377,719.88-240,136.78

Finding the Fourth Proportional to 274,319.59, 377,719.88 and 240,136.78

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Solution

The fourth proportional to 274,319.59, 377,719.88 and 240,136.78 is: 330,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,319.59 : 377,719.88 = 240,136.78 : x
  2. Step 2: Convert to fraction form
    274,319.59/377,719.88 = 240,136.78/x
  3. Step 3: Cross multiply
    274,319.59x = 377,719.88 × 240,136.78
  4. Step 4: Simplify right side
    274,319.59x = 90,704,433,836.59
  5. Step 5: Solve for x
    x = 90,704,433,836.59/274,319.59
  6. Step 6: Final answer
    x = 330,652.42

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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.