Home / 260,827.08-391,263.30-73,840.20

Finding the Fourth Proportional to 260,827.08, 391,263.30 and 73,840.20

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Solution

The fourth proportional to 260,827.08, 391,263.30 and 73,840.20 is: 110,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,827.08 : 391,263.30 = 73,840.20 : x
  2. Step 2: Convert to fraction form
    260,827.08/391,263.30 = 73,840.20/x
  3. Step 3: Cross multiply
    260,827.08x = 391,263.30 × 73,840.20
  4. Step 4: Simplify right side
    260,827.08x = 28,890,960,324.66
  5. Step 5: Solve for x
    x = 28,890,960,324.66/260,827.08
  6. Step 6: Final answer
    x = 110,766.72

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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.