Home / 397,749.06-548,712-236,512.26

Finding the Fourth Proportional to 397,749.06, 548,712 and 236,512.26

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Solution

The fourth proportional to 397,749.06, 548,712 and 236,512.26 is: 326,278.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,749.06 : 548,712 = 236,512.26 : x
  2. Step 2: Convert to fraction form
    397,749.06/548,712 = 236,512.26/x
  3. Step 3: Cross multiply
    397,749.06x = 548,712 × 236,512.26
  4. Step 4: Simplify right side
    397,749.06x = 129,777,115,209.12
  5. Step 5: Solve for x
    x = 129,777,115,209.12/397,749.06
  6. Step 6: Final answer
    x = 326,278.87

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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.