Home / 228,930.30-343,395.45-203,561.10

Finding the Fourth Proportional to 228,930.30, 343,395.45 and 203,561.10

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Solution

The fourth proportional to 228,930.30, 343,395.45 and 203,561.10 is: 305,341.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,930.30 : 343,395.45 = 203,561.10 : x
  2. Step 2: Convert to fraction form
    228,930.30/343,395.45 = 203,561.10/x
  3. Step 3: Cross multiply
    228,930.30x = 343,395.45 × 203,561.10
  4. Step 4: Simplify right side
    228,930.30x = 69,901,955,537.00
  5. Step 5: Solve for x
    x = 69,901,955,537.00/228,930.30
  6. Step 6: Final answer
    x = 305,341.65

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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.