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Finding the Fourth Proportional to 459,481.82, 633,991.82 and 268,458.30

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Solution

The fourth proportional to 459,481.82, 633,991.82 and 268,458.30 is: 370,418.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,481.82 : 633,991.82 = 268,458.30 : x
  2. Step 2: Convert to fraction form
    459,481.82/633,991.82 = 268,458.30/x
  3. Step 3: Cross multiply
    459,481.82x = 633,991.82 × 268,458.30
  4. Step 4: Simplify right side
    459,481.82x = 170,200,364,868.81
  5. Step 5: Solve for x
    x = 170,200,364,868.81/459,481.82
  6. Step 6: Final answer
    x = 370,418.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.