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Finding the Fourth Proportional to 239,602.58, 330,651.58 and 132,172.89

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Solution

The fourth proportional to 239,602.58, 330,651.58 and 132,172.89 is: 182,398.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,602.58 : 330,651.58 = 132,172.89 : x
  2. Step 2: Convert to fraction form
    239,602.58/330,651.58 = 132,172.89/x
  3. Step 3: Cross multiply
    239,602.58x = 330,651.58 × 132,172.89
  4. Step 4: Simplify right side
    239,602.58x = 43,703,173,258.41
  5. Step 5: Solve for x
    x = 43,703,173,258.41/239,602.58
  6. Step 6: Final answer
    x = 182,398.59

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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.