Home / 340,826.20-511,316.10-200,512.60

Finding the Fourth Proportional to 340,826.20, 511,316.10 and 200,512.60

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Solution

The fourth proportional to 340,826.20, 511,316.10 and 200,512.60 is: 300,814.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,826.20 : 511,316.10 = 200,512.60 : x
  2. Step 2: Convert to fraction form
    340,826.20/511,316.10 = 200,512.60/x
  3. Step 3: Cross multiply
    340,826.20x = 511,316.10 × 200,512.60
  4. Step 4: Simplify right side
    340,826.20x = 102,525,320,632.86
  5. Step 5: Solve for x
    x = 102,525,320,632.86/340,826.20
  6. Step 6: Final answer
    x = 300,814.08

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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.