Home / 307,149.22-423,900.39-171,195.58

Finding the Fourth Proportional to 307,149.22, 423,900.39 and 171,195.58

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Solution

The fourth proportional to 307,149.22, 423,900.39 and 171,195.58 is: 236,269.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,149.22 : 423,900.39 = 171,195.58 : x
  2. Step 2: Convert to fraction form
    307,149.22/423,900.39 = 171,195.58/x
  3. Step 3: Cross multiply
    307,149.22x = 423,900.39 × 171,195.58
  4. Step 4: Simplify right side
    307,149.22x = 72,569,873,128.28
  5. Step 5: Solve for x
    x = 72,569,873,128.28/307,149.22
  6. Step 6: Final answer
    x = 236,269.11

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1.5x scale

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.