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Finding the Fourth Proportional to 481,212, 664,003.06 and 266,351.55

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Solution

The fourth proportional to 481,212, 664,003.06 and 266,351.55 is: 367,526.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,212 : 664,003.06 = 266,351.55 : x
  2. Step 2: Convert to fraction form
    481,212/664,003.06 = 266,351.55/x
  3. Step 3: Cross multiply
    481,212x = 664,003.06 × 266,351.55
  4. Step 4: Simplify right side
    481,212x = 176,858,244,235.74
  5. Step 5: Solve for x
    x = 176,858,244,235.74/481,212
  6. Step 6: Final answer
    x = 367,526.67

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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.