Home / 274,320.59-377,721.26-240,137.78

Finding the Fourth Proportional to 274,320.59, 377,721.26 and 240,137.78

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Solution

The fourth proportional to 274,320.59, 377,721.26 and 240,137.78 is: 330,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,320.59 : 377,721.26 = 240,137.78 : x
  2. Step 2: Convert to fraction form
    274,320.59/377,721.26 = 240,137.78/x
  3. Step 3: Cross multiply
    274,320.59x = 377,721.26 × 240,137.78
  4. Step 4: Simplify right side
    274,320.59x = 90,705,144,835.20
  5. Step 5: Solve for x
    x = 90,705,144,835.20/274,320.59
  6. Step 6: Final answer
    x = 330,653.80

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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.