Home / 209,359.86-314,039.96-51,588.33

Finding the Fourth Proportional to 209,359.86, 314,039.96 and 51,588.33

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Solution

The fourth proportional to 209,359.86, 314,039.96 and 51,588.33 is: 77,382.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,359.86 : 314,039.96 = 51,588.33 : x
  2. Step 2: Convert to fraction form
    209,359.86/314,039.96 = 51,588.33/x
  3. Step 3: Cross multiply
    209,359.86x = 314,039.96 × 51,588.33
  4. Step 4: Simplify right side
    209,359.86x = 16,200,797,218.64
  5. Step 5: Solve for x
    x = 16,200,797,218.64/209,359.86
  6. Step 6: Final answer
    x = 77,382.54

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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.