Home / 350,787.46-484,074.90-221,795.36

Finding the Fourth Proportional to 350,787.46, 484,074.90 and 221,795.36

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Solution

The fourth proportional to 350,787.46, 484,074.90 and 221,795.36 is: 306,070.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,787.46 : 484,074.90 = 221,795.36 : x
  2. Step 2: Convert to fraction form
    350,787.46/484,074.90 = 221,795.36/x
  3. Step 3: Cross multiply
    350,787.46x = 484,074.90 × 221,795.36
  4. Step 4: Simplify right side
    350,787.46x = 107,365,568,830.29
  5. Step 5: Solve for x
    x = 107,365,568,830.29/350,787.46
  6. Step 6: Final answer
    x = 306,070.15

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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.