Home / 680,829.20-1,021,243.80-182,193.20

Finding the Fourth Proportional to 680,829.20, 1,021,243.80 and 182,193.20

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Solution

The fourth proportional to 680,829.20, 1,021,243.80 and 182,193.20 is: 273,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,829.20 : 1,021,243.80 = 182,193.20 : x
  2. Step 2: Convert to fraction form
    680,829.20/1,021,243.80 = 182,193.20/x
  3. Step 3: Cross multiply
    680,829.20x = 1,021,243.80 × 182,193.20
  4. Step 4: Simplify right side
    680,829.20x = 186,063,675,902.16
  5. Step 5: Solve for x
    x = 186,063,675,902.16/680,829.20
  6. Step 6: Final answer
    x = 273,289.80

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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.