Home / 279,015.44-384,357.98-202,309.16

Finding the Fourth Proportional to 279,015.44, 384,357.98 and 202,309.16

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Solution

The fourth proportional to 279,015.44, 384,357.98 and 202,309.16 is: 278,691.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,015.44 : 384,357.98 = 202,309.16 : x
  2. Step 2: Convert to fraction form
    279,015.44/384,357.98 = 202,309.16/x
  3. Step 3: Cross multiply
    279,015.44x = 384,357.98 × 202,309.16
  4. Step 4: Simplify right side
    279,015.44x = 77,759,138,657.08
  5. Step 5: Solve for x
    x = 77,759,138,657.08/279,015.44
  6. Step 6: Final answer
    x = 278,691.16

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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.