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Finding the Fourth Proportional to 268,404.40, 402,606.60 and 179,930.80

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Solution

The fourth proportional to 268,404.40, 402,606.60 and 179,930.80 is: 269,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,404.40 : 402,606.60 = 179,930.80 : x
  2. Step 2: Convert to fraction form
    268,404.40/402,606.60 = 179,930.80/x
  3. Step 3: Cross multiply
    268,404.40x = 402,606.60 × 179,930.80
  4. Step 4: Simplify right side
    268,404.40x = 72,441,327,623.28
  5. Step 5: Solve for x
    x = 72,441,327,623.28/268,404.40
  6. Step 6: Final answer
    x = 269,896.20

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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.