Home / 343,669.35-515,504.04-299,382.60

Finding the Fourth Proportional to 343,669.35, 515,504.04 and 299,382.60

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Solution

The fourth proportional to 343,669.35, 515,504.04 and 299,382.60 is: 449,073.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,669.35 : 515,504.04 = 299,382.60 : x
  2. Step 2: Convert to fraction form
    343,669.35/515,504.04 = 299,382.60/x
  3. Step 3: Cross multiply
    343,669.35x = 515,504.04 × 299,382.60
  4. Step 4: Simplify right side
    343,669.35x = 154,332,939,805.70
  5. Step 5: Solve for x
    x = 154,332,939,805.70/343,669.35
  6. Step 6: Final answer
    x = 449,073.91

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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.