Home / 215,789.90-323,684.31-58,018.34

Finding the Fourth Proportional to 215,789.90, 323,684.31 and 58,018.34

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Solution

The fourth proportional to 215,789.90, 323,684.31 and 58,018.34 is: 87,027.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,789.90 : 323,684.31 = 58,018.34 : x
  2. Step 2: Convert to fraction form
    215,789.90/323,684.31 = 58,018.34/x
  3. Step 3: Cross multiply
    215,789.90x = 323,684.31 × 58,018.34
  4. Step 4: Simplify right side
    215,789.90x = 18,779,626,350.25
  5. Step 5: Solve for x
    x = 18,779,626,350.25/215,789.90
  6. Step 6: Final answer
    x = 87,027.36

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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.