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Finding the Fourth Proportional to 268,281.60, 402,422.40 and 264,134.40

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Solution

The fourth proportional to 268,281.60, 402,422.40 and 264,134.40 is: 396,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,281.60 : 402,422.40 = 264,134.40 : x
  2. Step 2: Convert to fraction form
    268,281.60/402,422.40 = 264,134.40/x
  3. Step 3: Cross multiply
    268,281.60x = 402,422.40 × 264,134.40
  4. Step 4: Simplify right side
    268,281.60x = 106,293,599,170.56
  5. Step 5: Solve for x
    x = 106,293,599,170.56/268,281.60
  6. Step 6: Final answer
    x = 396,201.60

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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.