Home / 853,225.93-1,279,915.43-222,145.21

Finding the Fourth Proportional to 853,225.93, 1,279,915.43 and 222,145.21

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Solution

The fourth proportional to 853,225.93, 1,279,915.43 and 222,145.21 is: 333,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,225.93 : 1,279,915.43 = 222,145.21 : x
  2. Step 2: Convert to fraction form
    853,225.93/1,279,915.43 = 222,145.21/x
  3. Step 3: Cross multiply
    853,225.93x = 1,279,915.43 × 222,145.21
  4. Step 4: Simplify right side
    853,225.93x = 284,327,081,979.59
  5. Step 5: Solve for x
    x = 284,327,081,979.59/853,225.93
  6. Step 6: Final answer
    x = 333,237.74

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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.