Home / 347,238.14-520,907.13-107,370.77

Finding the Fourth Proportional to 347,238.14, 520,907.13 and 107,370.77

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Solution

The fourth proportional to 347,238.14, 520,907.13 and 107,370.77 is: 161,071.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,238.14 : 520,907.13 = 107,370.77 : x
  2. Step 2: Convert to fraction form
    347,238.14/520,907.13 = 107,370.77/x
  3. Step 3: Cross multiply
    347,238.14x = 520,907.13 × 107,370.77
  4. Step 4: Simplify right side
    347,238.14x = 55,930,197,042.05
  5. Step 5: Solve for x
    x = 55,930,197,042.05/347,238.14
  6. Step 6: Final answer
    x = 161,071.59

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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.