Home / 320,716.25-481,064.45-152,357.75

Finding the Fourth Proportional to 320,716.25, 481,064.45 and 152,357.75

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Solution

The fourth proportional to 320,716.25, 481,064.45 and 152,357.75 is: 228,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,716.25 : 481,064.45 = 152,357.75 : x
  2. Step 2: Convert to fraction form
    320,716.25/481,064.45 = 152,357.75/x
  3. Step 3: Cross multiply
    320,716.25x = 481,064.45 × 152,357.75
  4. Step 4: Simplify right side
    320,716.25x = 73,293,894,039.88
  5. Step 5: Solve for x
    x = 73,293,894,039.88/320,716.25
  6. Step 6: Final answer
    x = 228,531.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.