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Finding the Fourth Proportional to 481,460.25, 664,407 and 266,595.70

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Solution

The fourth proportional to 481,460.25, 664,407 and 266,595.70 is: 367,897.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,460.25 : 664,407 = 266,595.70 : x
  2. Step 2: Convert to fraction form
    481,460.25/664,407 = 266,595.70/x
  3. Step 3: Cross multiply
    481,460.25x = 664,407 × 266,595.70
  4. Step 4: Simplify right side
    481,460.25x = 177,128,049,249.90
  5. Step 5: Solve for x
    x = 177,128,049,249.90/481,460.25
  6. Step 6: Final answer
    x = 367,897.56

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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.