Home / 305,422.32-458,147.88-252,015.24

Finding the Fourth Proportional to 305,422.32, 458,147.88 and 252,015.24

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Solution

The fourth proportional to 305,422.32, 458,147.88 and 252,015.24 is: 378,034.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,422.32 : 458,147.88 = 252,015.24 : x
  2. Step 2: Convert to fraction form
    305,422.32/458,147.88 = 252,015.24/x
  3. Step 3: Cross multiply
    305,422.32x = 458,147.88 × 252,015.24
  4. Step 4: Simplify right side
    305,422.32x = 115,460,247,933.69
  5. Step 5: Solve for x
    x = 115,460,247,933.69/305,422.32
  6. Step 6: Final answer
    x = 378,034.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.