Home / 481,445.85-664,387.16-266,581.30

Finding the Fourth Proportional to 481,445.85, 664,387.16 and 266,581.30

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Solution

The fourth proportional to 481,445.85, 664,387.16 and 266,581.30 is: 367,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,445.85 : 664,387.16 = 266,581.30 : x
  2. Step 2: Convert to fraction form
    481,445.85/664,387.16 = 266,581.30/x
  3. Step 3: Cross multiply
    481,445.85x = 664,387.16 × 266,581.30
  4. Step 4: Simplify right side
    481,445.85x = 177,113,194,436.07
  5. Step 5: Solve for x
    x = 177,113,194,436.07/481,445.85
  6. Step 6: Final answer
    x = 367,877.70

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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.