Home / 279,716.04-386,058.06-164,987.64

Finding the Fourth Proportional to 279,716.04, 386,058.06 and 164,987.64

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Solution

The fourth proportional to 279,716.04, 386,058.06 and 164,987.64 is: 227,712.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,716.04 : 386,058.06 = 164,987.64 : x
  2. Step 2: Convert to fraction form
    279,716.04/386,058.06 = 164,987.64/x
  3. Step 3: Cross multiply
    279,716.04x = 386,058.06 × 164,987.64
  4. Step 4: Simplify right side
    279,716.04x = 63,694,808,222.38
  5. Step 5: Solve for x
    x = 63,694,808,222.38/279,716.04
  6. Step 6: Final answer
    x = 227,712.39

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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.