Home / 231,187.20-346,780.80-148,243.20

Finding the Fourth Proportional to 231,187.20, 346,780.80 and 148,243.20

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Solution

The fourth proportional to 231,187.20, 346,780.80 and 148,243.20 is: 222,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,187.20 : 346,780.80 = 148,243.20 : x
  2. Step 2: Convert to fraction form
    231,187.20/346,780.80 = 148,243.20/x
  3. Step 3: Cross multiply
    231,187.20x = 346,780.80 × 148,243.20
  4. Step 4: Simplify right side
    231,187.20x = 51,407,895,490.56
  5. Step 5: Solve for x
    x = 51,407,895,490.56/231,187.20
  6. Step 6: Final answer
    x = 222,364.80

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1.5x scale

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.