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Finding the Fourth Proportional to 270,425.52, 405,648.41 and 80,888.36

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Solution

The fourth proportional to 270,425.52, 405,648.41 and 80,888.36 is: 121,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,425.52 : 405,648.41 = 80,888.36 : x
  2. Step 2: Convert to fraction form
    270,425.52/405,648.41 = 80,888.36/x
  3. Step 3: Cross multiply
    270,425.52x = 405,648.41 × 80,888.36
  4. Step 4: Simplify right side
    270,425.52x = 32,812,232,188.82
  5. Step 5: Solve for x
    x = 32,812,232,188.82/270,425.52
  6. Step 6: Final answer
    x = 121,335.56

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1.5x scale

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.