Home / 263,820.80-396,260.77-157,412.42

Finding the Fourth Proportional to 263,820.80, 396,260.77 and 157,412.42

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Solution

The fourth proportional to 263,820.80, 396,260.77 and 157,412.42 is: 236,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,820.80 : 396,260.77 = 157,412.42 : x
  2. Step 2: Convert to fraction form
    263,820.80/396,260.77 = 157,412.42/x
  3. Step 3: Cross multiply
    263,820.80x = 396,260.77 × 157,412.42
  4. Step 4: Simplify right side
    263,820.80x = 62,376,364,979.05
  5. Step 5: Solve for x
    x = 62,376,364,979.05/263,820.80
  6. Step 6: Final answer
    x = 236,434.60

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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.