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Finding the Fourth Proportional to 536,268.87, 804,402.63 and 136,909.71

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Solution

The fourth proportional to 536,268.87, 804,402.63 and 136,909.71 is: 205,364.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,268.87 : 804,402.63 = 136,909.71 : x
  2. Step 2: Convert to fraction form
    536,268.87/804,402.63 = 136,909.71/x
  3. Step 3: Cross multiply
    536,268.87x = 804,402.63 × 136,909.71
  4. Step 4: Simplify right side
    536,268.87x = 110,130,530,796.54
  5. Step 5: Solve for x
    x = 110,130,530,796.54/536,268.87
  6. Step 6: Final answer
    x = 205,364.39

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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.