Home / 557,826.83-836,249.49-221,103.83

Finding the Fourth Proportional to 557,826.83, 836,249.49 and 221,103.83

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Solution

The fourth proportional to 557,826.83, 836,249.49 and 221,103.83 is: 331,461.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,826.83 : 836,249.49 = 221,103.83 : x
  2. Step 2: Convert to fraction form
    557,826.83/836,249.49 = 221,103.83/x
  3. Step 3: Cross multiply
    557,826.83x = 836,249.49 × 221,103.83
  4. Step 4: Simplify right side
    557,826.83x = 184,897,960,893.30
  5. Step 5: Solve for x
    x = 184,897,960,893.30/557,826.83
  6. Step 6: Final answer
    x = 331,461.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.