Home / 341,897.26-512,867.78-131,535.20

Finding the Fourth Proportional to 341,897.26, 512,867.78 and 131,535.20

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Solution

The fourth proportional to 341,897.26, 512,867.78 and 131,535.20 is: 197,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,897.26 : 512,867.78 = 131,535.20 : x
  2. Step 2: Convert to fraction form
    341,897.26/512,867.78 = 131,535.20/x
  3. Step 3: Cross multiply
    341,897.26x = 512,867.78 × 131,535.20
  4. Step 4: Simplify right side
    341,897.26x = 67,460,162,793.84
  5. Step 5: Solve for x
    x = 67,460,162,793.84/341,897.26
  6. Step 6: Final answer
    x = 197,311.21

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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.