Home / 401,467.91-554,032.80-220,178.25

Finding the Fourth Proportional to 401,467.91, 554,032.80 and 220,178.25

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Solution

The fourth proportional to 401,467.91, 554,032.80 and 220,178.25 is: 303,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,467.91 : 554,032.80 = 220,178.25 : x
  2. Step 2: Convert to fraction form
    401,467.91/554,032.80 = 220,178.25/x
  3. Step 3: Cross multiply
    401,467.91x = 554,032.80 × 220,178.25
  4. Step 4: Simplify right side
    401,467.91x = 121,985,969,443.31
  5. Step 5: Solve for x
    x = 121,985,969,443.31/401,467.91
  6. Step 6: Final answer
    x = 303,849.87

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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.