Home / 393,537.60-590,243.04-112,991.04

Finding the Fourth Proportional to 393,537.60, 590,243.04 and 112,991.04

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Solution

The fourth proportional to 393,537.60, 590,243.04 and 112,991.04 is: 169,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,537.60 : 590,243.04 = 112,991.04 : x
  2. Step 2: Convert to fraction form
    393,537.60/590,243.04 = 112,991.04/x
  3. Step 3: Cross multiply
    393,537.60x = 590,243.04 × 112,991.04
  4. Step 4: Simplify right side
    393,537.60x = 66,692,174,942.36
  5. Step 5: Solve for x
    x = 66,692,174,942.36/393,537.60
  6. Step 6: Final answer
    x = 169,468.37

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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.