Home / 239,821.18-330,929.64-132,384.28

Finding the Fourth Proportional to 239,821.18, 330,929.64 and 132,384.28

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Solution

The fourth proportional to 239,821.18, 330,929.64 and 132,384.28 is: 182,677.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,821.18 : 330,929.64 = 132,384.28 : x
  2. Step 2: Convert to fraction form
    239,821.18/330,929.64 = 132,384.28/x
  3. Step 3: Cross multiply
    239,821.18x = 330,929.64 × 132,384.28
  4. Step 4: Simplify right side
    239,821.18x = 43,809,882,122.06
  5. Step 5: Solve for x
    x = 43,809,882,122.06/239,821.18
  6. Step 6: Final answer
    x = 182,677.29

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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.