Home / 401,579.24-554,186.75-220,300.43

Finding the Fourth Proportional to 401,579.24, 554,186.75 and 220,300.43

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Solution

The fourth proportional to 401,579.24, 554,186.75 and 220,300.43 is: 304,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,579.24 : 554,186.75 = 220,300.43 : x
  2. Step 2: Convert to fraction form
    401,579.24/554,186.75 = 220,300.43/x
  3. Step 3: Cross multiply
    401,579.24x = 554,186.75 × 220,300.43
  4. Step 4: Simplify right side
    401,579.24x = 122,087,575,452.87
  5. Step 5: Solve for x
    x = 122,087,575,452.87/401,579.24
  6. Step 6: Final answer
    x = 304,018.65

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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.