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Finding the Fourth Proportional to 239,575, 330,615.06 and 132,147.94

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Solution

The fourth proportional to 239,575, 330,615.06 and 132,147.94 is: 182,365.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,575 : 330,615.06 = 132,147.94 : x
  2. Step 2: Convert to fraction form
    239,575/330,615.06 = 132,147.94/x
  3. Step 3: Cross multiply
    239,575x = 330,615.06 × 132,147.94
  4. Step 4: Simplify right side
    239,575x = 43,690,099,111.98
  5. Step 5: Solve for x
    x = 43,690,099,111.98/239,575
  6. Step 6: Final answer
    x = 182,365.02

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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.