Home / 404,153.51-557,745.30-220,402.13

Finding the Fourth Proportional to 404,153.51, 557,745.30 and 220,402.13

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Solution

The fourth proportional to 404,153.51, 557,745.30 and 220,402.13 is: 304,162.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,153.51 : 557,745.30 = 220,402.13 : x
  2. Step 2: Convert to fraction form
    404,153.51/557,745.30 = 220,402.13/x
  3. Step 3: Cross multiply
    404,153.51x = 557,745.30 × 220,402.13
  4. Step 4: Simplify right side
    404,153.51x = 122,928,253,511.85
  5. Step 5: Solve for x
    x = 122,928,253,511.85/404,153.51
  6. Step 6: Final answer
    x = 304,162.28

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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.