Home / 680,808.20-1,021,212.30-182,172.20

Finding the Fourth Proportional to 680,808.20, 1,021,212.30 and 182,172.20

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Solution

The fourth proportional to 680,808.20, 1,021,212.30 and 182,172.20 is: 273,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,808.20 : 1,021,212.30 = 182,172.20 : x
  2. Step 2: Convert to fraction form
    680,808.20/1,021,212.30 = 182,172.20/x
  3. Step 3: Cross multiply
    680,808.20x = 1,021,212.30 × 182,172.20
  4. Step 4: Simplify right side
    680,808.20x = 186,036,491,358.06
  5. Step 5: Solve for x
    x = 186,036,491,358.06/680,808.20
  6. Step 6: Final answer
    x = 273,258.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.