Home / 213,587.06-320,369.49-63,828.56

Finding the Fourth Proportional to 213,587.06, 320,369.49 and 63,828.56

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Solution

The fourth proportional to 213,587.06, 320,369.49 and 63,828.56 is: 95,739.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,587.06 : 320,369.49 = 63,828.56 : x
  2. Step 2: Convert to fraction form
    213,587.06/320,369.49 = 63,828.56/x
  3. Step 3: Cross multiply
    213,587.06x = 320,369.49 × 63,828.56
  4. Step 4: Simplify right side
    213,587.06x = 20,448,723,214.63
  5. Step 5: Solve for x
    x = 20,448,723,214.63/213,587.06
  6. Step 6: Final answer
    x = 95,739.52

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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.