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Finding the Fourth Proportional to 481,254.59, 664,123.26 and 266,390.03

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Solution

The fourth proportional to 481,254.59, 664,123.26 and 266,390.03 is: 367,613.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,254.59 : 664,123.26 = 266,390.03 : x
  2. Step 2: Convert to fraction form
    481,254.59/664,123.26 = 266,390.03/x
  3. Step 3: Cross multiply
    481,254.59x = 664,123.26 × 266,390.03
  4. Step 4: Simplify right side
    481,254.59x = 176,915,811,834.48
  5. Step 5: Solve for x
    x = 176,915,811,834.48/481,254.59
  6. Step 6: Final answer
    x = 367,613.77

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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.