Home / 307,172.22-423,846.27-171,176.34

Finding the Fourth Proportional to 307,172.22, 423,846.27 and 171,176.34

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Solution

The fourth proportional to 307,172.22, 423,846.27 and 171,176.34 is: 236,194.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,172.22 : 423,846.27 = 171,176.34 : x
  2. Step 2: Convert to fraction form
    307,172.22/423,846.27 = 171,176.34/x
  3. Step 3: Cross multiply
    307,172.22x = 423,846.27 × 171,176.34
  4. Step 4: Simplify right side
    307,172.22x = 72,552,453,221.25
  5. Step 5: Solve for x
    x = 72,552,453,221.25/307,172.22
  6. Step 6: Final answer
    x = 236,194.71

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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.