Home / 268,200.26-402,300.04-68,520.80

Finding the Fourth Proportional to 268,200.26, 402,300.04 and 68,520.80

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Solution

The fourth proportional to 268,200.26, 402,300.04 and 68,520.80 is: 102,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,200.26 : 402,300.04 = 68,520.80 : x
  2. Step 2: Convert to fraction form
    268,200.26/402,300.04 = 68,520.80/x
  3. Step 3: Cross multiply
    268,200.26x = 402,300.04 × 68,520.80
  4. Step 4: Simplify right side
    268,200.26x = 27,565,920,580.83
  5. Step 5: Solve for x
    x = 27,565,920,580.83/268,200.26
  6. Step 6: Final answer
    x = 102,781.11

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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.