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Finding the Fourth Proportional to 347,350.82, 520,672.59 and 157,945.68

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Solution

The fourth proportional to 347,350.82, 520,672.59 and 157,945.68 is: 236,757.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,350.82 : 520,672.59 = 157,945.68 : x
  2. Step 2: Convert to fraction form
    347,350.82/520,672.59 = 157,945.68/x
  3. Step 3: Cross multiply
    347,350.82x = 520,672.59 × 157,945.68
  4. Step 4: Simplify right side
    347,350.82x = 82,237,986,284.91
  5. Step 5: Solve for x
    x = 82,237,986,284.91/347,350.82
  6. Step 6: Final answer
    x = 236,757.72

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1.5x scale

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.