Home / 776,161.17-1,164,241.80-215,195.67

Finding the Fourth Proportional to 776,161.17, 1,164,241.80 and 215,195.67

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Solution

The fourth proportional to 776,161.17, 1,164,241.80 and 215,195.67 is: 322,793.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,161.17 : 1,164,241.80 = 215,195.67 : x
  2. Step 2: Convert to fraction form
    776,161.17/1,164,241.80 = 215,195.67/x
  3. Step 3: Cross multiply
    776,161.17x = 1,164,241.80 × 215,195.67
  4. Step 4: Simplify right side
    776,161.17x = 250,539,794,193.01
  5. Step 5: Solve for x
    x = 250,539,794,193.01/776,161.17
  6. Step 6: Final answer
    x = 322,793.52

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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.