Home / 401,513.85-554,089.91-220,227.26

Finding the Fourth Proportional to 401,513.85, 554,089.91 and 220,227.26

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Solution

The fourth proportional to 401,513.85, 554,089.91 and 220,227.26 is: 303,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,513.85 : 554,089.91 = 220,227.26 : x
  2. Step 2: Convert to fraction form
    401,513.85/554,089.91 = 220,227.26/x
  3. Step 3: Cross multiply
    401,513.85x = 554,089.91 × 220,227.26
  4. Step 4: Simplify right side
    401,513.85x = 122,025,698,801.36
  5. Step 5: Solve for x
    x = 122,025,698,801.36/401,513.85
  6. Step 6: Final answer
    x = 303,914.05

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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.