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Finding the Fourth Proportional to 400,272.39, 600,481.35 and 189,908.37

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Solution

The fourth proportional to 400,272.39, 600,481.35 and 189,908.37 is: 284,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,272.39 : 600,481.35 = 189,908.37 : x
  2. Step 2: Convert to fraction form
    400,272.39/600,481.35 = 189,908.37/x
  3. Step 3: Cross multiply
    400,272.39x = 600,481.35 × 189,908.37
  4. Step 4: Simplify right side
    400,272.39x = 114,036,434,393.90
  5. Step 5: Solve for x
    x = 114,036,434,393.90/400,272.39
  6. Step 6: Final answer
    x = 284,897.08

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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.