Home / 372,206.36-513,480.04-228,881.72

Finding the Fourth Proportional to 372,206.36, 513,480.04 and 228,881.72

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Solution

The fourth proportional to 372,206.36, 513,480.04 and 228,881.72 is: 315,755.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,206.36 : 513,480.04 = 228,881.72 : x
  2. Step 2: Convert to fraction form
    372,206.36/513,480.04 = 228,881.72/x
  3. Step 3: Cross multiply
    372,206.36x = 513,480.04 × 228,881.72
  4. Step 4: Simplify right side
    372,206.36x = 117,526,195,452.37
  5. Step 5: Solve for x
    x = 117,526,195,452.37/372,206.36
  6. Step 6: Final answer
    x = 315,755.47

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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.