Home / 312,772.37-431,587.23-222,095.25

Finding the Fourth Proportional to 312,772.37, 431,587.23 and 222,095.25

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Solution

The fourth proportional to 312,772.37, 431,587.23 and 222,095.25 is: 306,464.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,772.37 : 431,587.23 = 222,095.25 : x
  2. Step 2: Convert to fraction form
    312,772.37/431,587.23 = 222,095.25/x
  3. Step 3: Cross multiply
    312,772.37x = 431,587.23 × 222,095.25
  4. Step 4: Simplify right side
    312,772.37x = 95,853,473,743.66
  5. Step 5: Solve for x
    x = 95,853,473,743.66/312,772.37
  6. Step 6: Final answer
    x = 306,464.01

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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.