Home / 263,432.80-363,514.26-155,983.60

Finding the Fourth Proportional to 263,432.80, 363,514.26 and 155,983.60

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Solution

The fourth proportional to 263,432.80, 363,514.26 and 155,983.60 is: 215,243.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,432.80 : 363,514.26 = 155,983.60 : x
  2. Step 2: Convert to fraction form
    263,432.80/363,514.26 = 155,983.60/x
  3. Step 3: Cross multiply
    263,432.80x = 363,514.26 × 155,983.60
  4. Step 4: Simplify right side
    263,432.80x = 56,702,262,926.14
  5. Step 5: Solve for x
    x = 56,702,262,926.14/263,432.80
  6. Step 6: Final answer
    x = 215,243.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.