Home / 401,506.05-554,093.85-220,225.62

Finding the Fourth Proportional to 401,506.05, 554,093.85 and 220,225.62

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Solution

The fourth proportional to 401,506.05, 554,093.85 and 220,225.62 is: 303,919.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,506.05 : 554,093.85 = 220,225.62 : x
  2. Step 2: Convert to fraction form
    401,506.05/554,093.85 = 220,225.62/x
  3. Step 3: Cross multiply
    401,506.05x = 554,093.85 × 220,225.62
  4. Step 4: Simplify right side
    401,506.05x = 122,025,661,654.44
  5. Step 5: Solve for x
    x = 122,025,661,654.44/401,506.05
  6. Step 6: Final answer
    x = 303,919.86

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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.