Home / 574,396.09-861,687.64-169,629.23

Finding the Fourth Proportional to 574,396.09, 861,687.64 and 169,629.23

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Solution

The fourth proportional to 574,396.09, 861,687.64 and 169,629.23 is: 254,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,396.09 : 861,687.64 = 169,629.23 : x
  2. Step 2: Convert to fraction form
    574,396.09/861,687.64 = 169,629.23/x
  3. Step 3: Cross multiply
    574,396.09x = 861,687.64 × 169,629.23
  4. Step 4: Simplify right side
    574,396.09x = 146,167,410,873.72
  5. Step 5: Solve for x
    x = 146,167,410,873.72/574,396.09
  6. Step 6: Final answer
    x = 254,471.46

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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.