Home / 213,323.09-320,003.01-55,551.83

Finding the Fourth Proportional to 213,323.09, 320,003.01 and 55,551.83

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Solution

The fourth proportional to 213,323.09, 320,003.01 and 55,551.83 is: 83,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,323.09 : 320,003.01 = 55,551.83 : x
  2. Step 2: Convert to fraction form
    213,323.09/320,003.01 = 55,551.83/x
  3. Step 3: Cross multiply
    213,323.09x = 320,003.01 × 55,551.83
  4. Step 4: Simplify right side
    213,323.09x = 17,776,752,811.01
  5. Step 5: Solve for x
    x = 17,776,752,811.01/213,323.09
  6. Step 6: Final answer
    x = 83,332.53

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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.