Home / 260,280.06-390,458.97-82,792.86

Finding the Fourth Proportional to 260,280.06, 390,458.97 and 82,792.86

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Solution

The fourth proportional to 260,280.06, 390,458.97 and 82,792.86 is: 124,201.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,280.06 : 390,458.97 = 82,792.86 : x
  2. Step 2: Convert to fraction form
    260,280.06/390,458.97 = 82,792.86/x
  3. Step 3: Cross multiply
    260,280.06x = 390,458.97 × 82,792.86
  4. Step 4: Simplify right side
    260,280.06x = 32,327,214,838.95
  5. Step 5: Solve for x
    x = 32,327,214,838.95/260,280.06
  6. Step 6: Final answer
    x = 124,201.66

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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.