Home / 404,872.08-558,717.12-223,579.50

Finding the Fourth Proportional to 404,872.08, 558,717.12 and 223,579.50

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Solution

The fourth proportional to 404,872.08, 558,717.12 and 223,579.50 is: 308,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,872.08 : 558,717.12 = 223,579.50 : x
  2. Step 2: Convert to fraction form
    404,872.08/558,717.12 = 223,579.50/x
  3. Step 3: Cross multiply
    404,872.08x = 558,717.12 × 223,579.50
  4. Step 4: Simplify right side
    404,872.08x = 124,917,694,331.04
  5. Step 5: Solve for x
    x = 124,917,694,331.04/404,872.08
  6. Step 6: Final answer
    x = 308,536.20

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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.