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Finding the Fourth Proportional to 268,100.34, 402,150.17 and 68,420.73

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Solution

The fourth proportional to 268,100.34, 402,150.17 and 68,420.73 is: 102,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,100.34 : 402,150.17 = 68,420.73 : x
  2. Step 2: Convert to fraction form
    268,100.34/402,150.17 = 68,420.73/x
  3. Step 3: Cross multiply
    268,100.34x = 402,150.17 × 68,420.73
  4. Step 4: Simplify right side
    268,100.34x = 27,515,406,853.55
  5. Step 5: Solve for x
    x = 27,515,406,853.55/268,100.34
  6. Step 6: Final answer
    x = 102,631.00

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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.