Home / 279,851.42-386,257.34-177,857.03

Finding the Fourth Proportional to 279,851.42, 386,257.34 and 177,857.03

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Solution

The fourth proportional to 279,851.42, 386,257.34 and 177,857.03 is: 245,482.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,851.42 : 386,257.34 = 177,857.03 : x
  2. Step 2: Convert to fraction form
    279,851.42/386,257.34 = 177,857.03/x
  3. Step 3: Cross multiply
    279,851.42x = 386,257.34 × 177,857.03
  4. Step 4: Simplify right side
    279,851.42x = 68,698,584,718.39
  5. Step 5: Solve for x
    x = 68,698,584,718.39/279,851.42
  6. Step 6: Final answer
    x = 245,482.35

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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.