Home / 372,035.35-513,501.79-228,712.36

Finding the Fourth Proportional to 372,035.35, 513,501.79 and 228,712.36

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Solution

The fourth proportional to 372,035.35, 513,501.79 and 228,712.36 is: 315,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,035.35 : 513,501.79 = 228,712.36 : x
  2. Step 2: Convert to fraction form
    372,035.35/513,501.79 = 228,712.36/x
  3. Step 3: Cross multiply
    372,035.35x = 513,501.79 × 228,712.36
  4. Step 4: Simplify right side
    372,035.35x = 117,444,206,112.87
  5. Step 5: Solve for x
    x = 117,444,206,112.87/372,035.35
  6. Step 6: Final answer
    x = 315,680.23

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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.