Home / 260,852.20-391,278.30-73,863.70

Finding the Fourth Proportional to 260,852.20, 391,278.30 and 73,863.70

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Solution

The fourth proportional to 260,852.20, 391,278.30 and 73,863.70 is: 110,795.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,852.20 : 391,278.30 = 73,863.70 : x
  2. Step 2: Convert to fraction form
    260,852.20/391,278.30 = 73,863.70/x
  3. Step 3: Cross multiply
    260,852.20x = 391,278.30 × 73,863.70
  4. Step 4: Simplify right side
    260,852.20x = 28,901,262,967.71
  5. Step 5: Solve for x
    x = 28,901,262,967.71/260,852.20
  6. Step 6: Final answer
    x = 110,795.55

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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.