Home / 377,057.20-565,556.40-219,184.96

Finding the Fourth Proportional to 377,057.20, 565,556.40 and 219,184.96

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Solution

The fourth proportional to 377,057.20, 565,556.40 and 219,184.96 is: 328,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,057.20 : 565,556.40 = 219,184.96 : x
  2. Step 2: Convert to fraction form
    377,057.20/565,556.40 = 219,184.96/x
  3. Step 3: Cross multiply
    377,057.20x = 565,556.40 × 219,184.96
  4. Step 4: Simplify right side
    377,057.20x = 123,961,456,911.74
  5. Step 5: Solve for x
    x = 123,961,456,911.74/377,057.20
  6. Step 6: Final answer
    x = 328,760.35

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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.