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Finding the Fourth Proportional to 481,468.22, 664,417.98 and 266,603.67

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Solution

The fourth proportional to 481,468.22, 664,417.98 and 266,603.67 is: 367,908.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,468.22 : 664,417.98 = 266,603.67 : x
  2. Step 2: Convert to fraction form
    481,468.22/664,417.98 = 266,603.67/x
  3. Step 3: Cross multiply
    481,468.22x = 664,417.98 × 266,603.67
  4. Step 4: Simplify right side
    481,468.22x = 177,136,272,065.04
  5. Step 5: Solve for x
    x = 177,136,272,065.04/481,468.22
  6. Step 6: Final answer
    x = 367,908.54

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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.