Home / 307,196.75-423,924.44-178,158.29

Finding the Fourth Proportional to 307,196.75, 423,924.44 and 178,158.29

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Solution

The fourth proportional to 307,196.75, 423,924.44 and 178,158.29 is: 245,854.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,196.75 : 423,924.44 = 178,158.29 : x
  2. Step 2: Convert to fraction form
    307,196.75/423,924.44 = 178,158.29/x
  3. Step 3: Cross multiply
    307,196.75x = 423,924.44 × 178,158.29
  4. Step 4: Simplify right side
    307,196.75x = 75,525,650,309.19
  5. Step 5: Solve for x
    x = 75,525,650,309.19/307,196.75
  6. Step 6: Final answer
    x = 245,854.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.