Home / 213,590.48-320,450.00-63,835.65

Finding the Fourth Proportional to 213,590.48, 320,450.00 and 63,835.65

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Solution

The fourth proportional to 213,590.48, 320,450.00 and 63,835.65 is: 95,772.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,590.48 : 320,450.00 = 63,835.65 : x
  2. Step 2: Convert to fraction form
    213,590.48/320,450.00 = 63,835.65/x
  3. Step 3: Cross multiply
    213,590.48x = 320,450.00 × 63,835.65
  4. Step 4: Simplify right side
    213,590.48x = 20,456,133,723.32
  5. Step 5: Solve for x
    x = 20,456,133,723.32/213,590.48
  6. Step 6: Final answer
    x = 95,772.69

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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.