Home / 371,944.79-513,530.97-285,750.26

Finding the Fourth Proportional to 371,944.79, 513,530.97 and 285,750.26

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Solution

The fourth proportional to 371,944.79, 513,530.97 and 285,750.26 is: 394,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,944.79 : 513,530.97 = 285,750.26 : x
  2. Step 2: Convert to fraction form
    371,944.79/513,530.97 = 285,750.26/x
  3. Step 3: Cross multiply
    371,944.79x = 513,530.97 × 285,750.26
  4. Step 4: Simplify right side
    371,944.79x = 146,741,608,195.55
  5. Step 5: Solve for x
    x = 146,741,608,195.55/371,944.79
  6. Step 6: Final answer
    x = 394,525.24

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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.