Home / 370,769.32-511,293.20-279,108.05

Finding the Fourth Proportional to 370,769.32, 511,293.20 and 279,108.05

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Solution

The fourth proportional to 370,769.32, 511,293.20 and 279,108.05 is: 384,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,769.32 : 511,293.20 = 279,108.05 : x
  2. Step 2: Convert to fraction form
    370,769.32/511,293.20 = 279,108.05/x
  3. Step 3: Cross multiply
    370,769.32x = 511,293.20 × 279,108.05
  4. Step 4: Simplify right side
    370,769.32x = 142,706,047,912.95
  5. Step 5: Solve for x
    x = 142,706,047,912.95/370,769.32
  6. Step 6: Final answer
    x = 384,891.74

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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.