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Finding the Fourth Proportional to 481,450.37, 664,393.37 and 266,585.81

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Solution

The fourth proportional to 481,450.37, 664,393.37 and 266,585.81 is: 367,883.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,450.37 : 664,393.37 = 266,585.81 : x
  2. Step 2: Convert to fraction form
    481,450.37/664,393.37 = 266,585.81/x
  3. Step 3: Cross multiply
    481,450.37x = 664,393.37 × 266,585.81
  4. Step 4: Simplify right side
    481,450.37x = 177,117,840,045.18
  5. Step 5: Solve for x
    x = 177,117,840,045.18/481,450.37
  6. Step 6: Final answer
    x = 367,883.90

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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.