Home / 279,723.33-386,004.78-158,848.65

Finding the Fourth Proportional to 279,723.33, 386,004.78 and 158,848.65

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Solution

The fourth proportional to 279,723.33, 386,004.78 and 158,848.65 is: 219,203.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,723.33 : 386,004.78 = 158,848.65 : x
  2. Step 2: Convert to fraction form
    279,723.33/386,004.78 = 158,848.65/x
  3. Step 3: Cross multiply
    279,723.33x = 386,004.78 × 158,848.65
  4. Step 4: Simplify right side
    279,723.33x = 61,316,338,196.55
  5. Step 5: Solve for x
    x = 61,316,338,196.55/279,723.33
  6. Step 6: Final answer
    x = 219,203.52

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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.