Home / 398,213.96-597,409.83-145,494.36

Finding the Fourth Proportional to 398,213.96, 597,409.83 and 145,494.36

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Solution

The fourth proportional to 398,213.96, 597,409.83 and 145,494.36 is: 218,274.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,213.96 : 597,409.83 = 145,494.36 : x
  2. Step 2: Convert to fraction form
    398,213.96/597,409.83 = 145,494.36/x
  3. Step 3: Cross multiply
    398,213.96x = 597,409.83 × 145,494.36
  4. Step 4: Simplify right side
    398,213.96x = 86,919,760,873.56
  5. Step 5: Solve for x
    x = 86,919,760,873.56/398,213.96
  6. Step 6: Final answer
    x = 218,274.02

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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.