Home / 274,503.22-379,050.85-172,698.37

Finding the Fourth Proportional to 274,503.22, 379,050.85 and 172,698.37

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Solution

The fourth proportional to 274,503.22, 379,050.85 and 172,698.37 is: 238,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,503.22 : 379,050.85 = 172,698.37 : x
  2. Step 2: Convert to fraction form
    274,503.22/379,050.85 = 172,698.37/x
  3. Step 3: Cross multiply
    274,503.22x = 379,050.85 × 172,698.37
  4. Step 4: Simplify right side
    274,503.22x = 65,461,463,942.11
  5. Step 5: Solve for x
    x = 65,461,463,942.11/274,503.22
  6. Step 6: Final answer
    x = 238,472.48

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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.