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Finding the Fourth Proportional to 239,817.18, 330,924.12 and 132,380.28

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Solution

The fourth proportional to 239,817.18, 330,924.12 and 132,380.28 is: 182,671.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,817.18 : 330,924.12 = 132,380.28 : x
  2. Step 2: Convert to fraction form
    239,817.18/330,924.12 = 132,380.28/x
  3. Step 3: Cross multiply
    239,817.18x = 330,924.12 × 132,380.28
  4. Step 4: Simplify right side
    239,817.18x = 43,807,827,664.35
  5. Step 5: Solve for x
    x = 43,807,827,664.35/239,817.18
  6. Step 6: Final answer
    x = 182,671.77

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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.