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Finding the Fourth Proportional to 239,296.60, 330,228.63 and 131,866.60

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Solution

The fourth proportional to 239,296.60, 330,228.63 and 131,866.60 is: 181,975.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,296.60 : 330,228.63 = 131,866.60 : x
  2. Step 2: Convert to fraction form
    239,296.60/330,228.63 = 131,866.60/x
  3. Step 3: Cross multiply
    239,296.60x = 330,228.63 × 131,866.60
  4. Step 4: Simplify right side
    239,296.60x = 43,546,126,660.76
  5. Step 5: Solve for x
    x = 43,546,126,660.76/239,296.60
  6. Step 6: Final answer
    x = 181,975.53

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1.5x scale

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.