Home / 260,950.24-391,444.56-81,012.08

Finding the Fourth Proportional to 260,950.24, 391,444.56 and 81,012.08

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Solution

The fourth proportional to 260,950.24, 391,444.56 and 81,012.08 is: 121,524.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,950.24 : 391,444.56 = 81,012.08 : x
  2. Step 2: Convert to fraction form
    260,950.24/391,444.56 = 81,012.08/x
  3. Step 3: Cross multiply
    260,950.24x = 391,444.56 × 81,012.08
  4. Step 4: Simplify right side
    260,950.24x = 31,711,738,010.28
  5. Step 5: Solve for x
    x = 31,711,738,010.28/260,950.24
  6. Step 6: Final answer
    x = 121,524.08

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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.