Home / 307,169.23-423,895.62-171,211.92

Finding the Fourth Proportional to 307,169.23, 423,895.62 and 171,211.92

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Solution

The fourth proportional to 307,169.23, 423,895.62 and 171,211.92 is: 236,273.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,169.23 : 423,895.62 = 171,211.92 : x
  2. Step 2: Convert to fraction form
    307,169.23/423,895.62 = 171,211.92/x
  3. Step 3: Cross multiply
    307,169.23x = 423,895.62 × 171,211.92
  4. Step 4: Simplify right side
    307,169.23x = 72,575,982,979.79
  5. Step 5: Solve for x
    x = 72,575,982,979.79/307,169.23
  6. Step 6: Final answer
    x = 236,273.61

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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.