Home / 343,828.94-515,476.10-163,822.10

Finding the Fourth Proportional to 343,828.94, 515,476.10 and 163,822.10

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Solution

The fourth proportional to 343,828.94, 515,476.10 and 163,822.10 is: 245,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,828.94 : 515,476.10 = 163,822.10 : x
  2. Step 2: Convert to fraction form
    343,828.94/515,476.10 = 163,822.10/x
  3. Step 3: Cross multiply
    343,828.94x = 515,476.10 × 163,822.10
  4. Step 4: Simplify right side
    343,828.94x = 84,446,375,033.98
  5. Step 5: Solve for x
    x = 84,446,375,033.98/343,828.94
  6. Step 6: Final answer
    x = 245,605.78

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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.