Home / 401,538.35-554,118.53-220,249.62

Finding the Fourth Proportional to 401,538.35, 554,118.53 and 220,249.62

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Solution

The fourth proportional to 401,538.35, 554,118.53 and 220,249.62 is: 303,942.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,538.35 : 554,118.53 = 220,249.62 : x
  2. Step 2: Convert to fraction form
    401,538.35/554,118.53 = 220,249.62/x
  3. Step 3: Cross multiply
    401,538.35x = 554,118.53 × 220,249.62
  4. Step 4: Simplify right side
    401,538.35x = 122,044,394,566.21
  5. Step 5: Solve for x
    x = 122,044,394,566.21/401,538.35
  6. Step 6: Final answer
    x = 303,942.06

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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.