Home / 270,319.62-405,646.19-137,295.35

Finding the Fourth Proportional to 270,319.62, 405,646.19 and 137,295.35

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Solution

The fourth proportional to 270,319.62, 405,646.19 and 137,295.35 is: 206,027.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,319.62 : 405,646.19 = 137,295.35 : x
  2. Step 2: Convert to fraction form
    270,319.62/405,646.19 = 137,295.35/x
  3. Step 3: Cross multiply
    270,319.62x = 405,646.19 × 137,295.35
  4. Step 4: Simplify right side
    270,319.62x = 55,693,335,632.22
  5. Step 5: Solve for x
    x = 55,693,335,632.22/270,319.62
  6. Step 6: Final answer
    x = 206,027.72

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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.