Home / 209,561.55-314,339.24-51,789.99

Finding the Fourth Proportional to 209,561.55, 314,339.24 and 51,789.99

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Solution

The fourth proportional to 209,561.55, 314,339.24 and 51,789.99 is: 77,684.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,561.55 : 314,339.24 = 51,789.99 : x
  2. Step 2: Convert to fraction form
    209,561.55/314,339.24 = 51,789.99/x
  3. Step 3: Cross multiply
    209,561.55x = 314,339.24 × 51,789.99
  4. Step 4: Simplify right side
    209,561.55x = 16,279,625,837.26
  5. Step 5: Solve for x
    x = 16,279,625,837.26/209,561.55
  6. Step 6: Final answer
    x = 77,684.22

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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.