Home / 307,169.64-423,876.42-171,199.08

Finding the Fourth Proportional to 307,169.64, 423,876.42 and 171,199.08

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Solution

The fourth proportional to 307,169.64, 423,876.42 and 171,199.08 is: 236,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,169.64 : 423,876.42 = 171,199.08 : x
  2. Step 2: Convert to fraction form
    307,169.64/423,876.42 = 171,199.08/x
  3. Step 3: Cross multiply
    307,169.64x = 423,876.42 × 171,199.08
  4. Step 4: Simplify right side
    307,169.64x = 72,567,253,137.69
  5. Step 5: Solve for x
    x = 72,567,253,137.69/307,169.64
  6. Step 6: Final answer
    x = 236,244.87

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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.