Home / 307,200.20-423,922.66-171,249

Finding the Fourth Proportional to 307,200.20, 423,922.66 and 171,249

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Solution

The fourth proportional to 307,200.20, 423,922.66 and 171,249 is: 236,316.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,200.20 : 423,922.66 = 171,249 : x
  2. Step 2: Convert to fraction form
    307,200.20/423,922.66 = 171,249/x
  3. Step 3: Cross multiply
    307,200.20x = 423,922.66 × 171,249
  4. Step 4: Simplify right side
    307,200.20x = 72,596,331,602.34
  5. Step 5: Solve for x
    x = 72,596,331,602.34/307,200.20
  6. Step 6: Final answer
    x = 236,316.03

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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.