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Finding the Fourth Proportional to 483,740.66, 667,570.10 and 265,958.54

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Solution

The fourth proportional to 483,740.66, 667,570.10 and 265,958.54 is: 367,027.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,740.66 : 667,570.10 = 265,958.54 : x
  2. Step 2: Convert to fraction form
    483,740.66/667,570.10 = 265,958.54/x
  3. Step 3: Cross multiply
    483,740.66x = 667,570.10 × 265,958.54
  4. Step 4: Simplify right side
    483,740.66x = 177,545,964,476.01
  5. Step 5: Solve for x
    x = 177,545,964,476.01/483,740.66
  6. Step 6: Final answer
    x = 367,027.17

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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.