Home / 347,620.80-521,440.92-122,949.48

Finding the Fourth Proportional to 347,620.80, 521,440.92 and 122,949.48

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Solution

The fourth proportional to 347,620.80, 521,440.92 and 122,949.48 is: 184,427.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,620.80 : 521,440.92 = 122,949.48 : x
  2. Step 2: Convert to fraction form
    347,620.80/521,440.92 = 122,949.48/x
  3. Step 3: Cross multiply
    347,620.80x = 521,440.92 × 122,949.48
  4. Step 4: Simplify right side
    347,620.80x = 64,110,889,964.72
  5. Step 5: Solve for x
    x = 64,110,889,964.72/347,620.80
  6. Step 6: Final answer
    x = 184,427.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.