Home / 279,764.25-386,074.81-152,439.84

Finding the Fourth Proportional to 279,764.25, 386,074.81 and 152,439.84

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Solution

The fourth proportional to 279,764.25, 386,074.81 and 152,439.84 is: 210,367.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,764.25 : 386,074.81 = 152,439.84 : x
  2. Step 2: Convert to fraction form
    279,764.25/386,074.81 = 152,439.84/x
  3. Step 3: Cross multiply
    279,764.25x = 386,074.81 × 152,439.84
  4. Step 4: Simplify right side
    279,764.25x = 58,853,181,597.51
  5. Step 5: Solve for x
    x = 58,853,181,597.51/279,764.25
  6. Step 6: Final answer
    x = 210,367.06

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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.