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Finding the Fourth Proportional to 534,102.60, 801,672.30 and 268,163.40

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Solution

The fourth proportional to 534,102.60, 801,672.30 and 268,163.40 is: 402,505.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,102.60 : 801,672.30 = 268,163.40 : x
  2. Step 2: Convert to fraction form
    534,102.60/801,672.30 = 268,163.40/x
  3. Step 3: Cross multiply
    534,102.60x = 801,672.30 × 268,163.40
  4. Step 4: Simplify right side
    534,102.60x = 214,979,169,653.82
  5. Step 5: Solve for x
    x = 214,979,169,653.82/534,102.60
  6. Step 6: Final answer
    x = 402,505.38

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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.