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Finding the Fourth Proportional to 347,213.68, 520,648.23 and 110,525.59

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Solution

The fourth proportional to 347,213.68, 520,648.23 and 110,525.59 is: 165,733.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,213.68 : 520,648.23 = 110,525.59 : x
  2. Step 2: Convert to fraction form
    347,213.68/520,648.23 = 110,525.59/x
  3. Step 3: Cross multiply
    347,213.68x = 520,648.23 × 110,525.59
  4. Step 4: Simplify right side
    347,213.68x = 57,544,952,803.21
  5. Step 5: Solve for x
    x = 57,544,952,803.21/347,213.68
  6. Step 6: Final answer
    x = 165,733.54

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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.