Home / 229,519.80-344,279.70-103,111.20

Finding the Fourth Proportional to 229,519.80, 344,279.70 and 103,111.20

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Solution

The fourth proportional to 229,519.80, 344,279.70 and 103,111.20 is: 154,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,519.80 : 344,279.70 = 103,111.20 : x
  2. Step 2: Convert to fraction form
    229,519.80/344,279.70 = 103,111.20/x
  3. Step 3: Cross multiply
    229,519.80x = 344,279.70 × 103,111.20
  4. Step 4: Simplify right side
    229,519.80x = 35,499,093,002.64
  5. Step 5: Solve for x
    x = 35,499,093,002.64/229,519.80
  6. Step 6: Final answer
    x = 154,666.80

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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.