Home / 279,268.44-385,392.06-151,944.90

Finding the Fourth Proportional to 279,268.44, 385,392.06 and 151,944.90

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Solution

The fourth proportional to 279,268.44, 385,392.06 and 151,944.90 is: 209,684.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,268.44 : 385,392.06 = 151,944.90 : x
  2. Step 2: Convert to fraction form
    279,268.44/385,392.06 = 151,944.90/x
  3. Step 3: Cross multiply
    279,268.44x = 385,392.06 × 151,944.90
  4. Step 4: Simplify right side
    279,268.44x = 58,558,358,017.49
  5. Step 5: Solve for x
    x = 58,558,358,017.49/279,268.44
  6. Step 6: Final answer
    x = 209,684.84

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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.