Home / 376,480.20-519,569.94-248,934.60

Finding the Fourth Proportional to 376,480.20, 519,569.94 and 248,934.60

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Solution

The fourth proportional to 376,480.20, 519,569.94 and 248,934.60 is: 343,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,480.20 : 519,569.94 = 248,934.60 : x
  2. Step 2: Convert to fraction form
    376,480.20/519,569.94 = 248,934.60/x
  3. Step 3: Cross multiply
    376,480.20x = 519,569.94 × 248,934.60
  4. Step 4: Simplify right side
    376,480.20x = 129,338,935,185.92
  5. Step 5: Solve for x
    x = 129,338,935,185.92/376,480.20
  6. Step 6: Final answer
    x = 343,547.78

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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.