Home / 393,548.60-590,365.09-109,240.36

Finding the Fourth Proportional to 393,548.60, 590,365.09 and 109,240.36

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Solution

The fourth proportional to 393,548.60, 590,365.09 and 109,240.36 is: 163,872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,548.60 : 590,365.09 = 109,240.36 : x
  2. Step 2: Convert to fraction form
    393,548.60/590,365.09 = 109,240.36/x
  3. Step 3: Cross multiply
    393,548.60x = 590,365.09 × 109,240.36
  4. Step 4: Simplify right side
    393,548.60x = 64,491,693,214.02
  5. Step 5: Solve for x
    x = 64,491,693,214.02/393,548.60
  6. Step 6: Final answer
    x = 163,872.25

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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.