Home / 386,077.09-532,806.05-222,672.83

Finding the Fourth Proportional to 386,077.09, 532,806.05 and 222,672.83

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Solution

The fourth proportional to 386,077.09, 532,806.05 and 222,672.83 is: 307,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,077.09 : 532,806.05 = 222,672.83 : x
  2. Step 2: Convert to fraction form
    386,077.09/532,806.05 = 222,672.83/x
  3. Step 3: Cross multiply
    386,077.09x = 532,806.05 × 222,672.83
  4. Step 4: Simplify right side
    386,077.09x = 118,641,431,884.31
  5. Step 5: Solve for x
    x = 118,641,431,884.31/386,077.09
  6. Step 6: Final answer
    x = 307,299.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.