Home / 231,511.98-347,275.23-79,707.42

Finding the Fourth Proportional to 231,511.98, 347,275.23 and 79,707.42

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Solution

The fourth proportional to 231,511.98, 347,275.23 and 79,707.42 is: 119,563.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,511.98 : 347,275.23 = 79,707.42 : x
  2. Step 2: Convert to fraction form
    231,511.98/347,275.23 = 79,707.42/x
  3. Step 3: Cross multiply
    231,511.98x = 347,275.23 × 79,707.42
  4. Step 4: Simplify right side
    231,511.98x = 27,680,412,613.21
  5. Step 5: Solve for x
    x = 27,680,412,613.21/231,511.98
  6. Step 6: Final answer
    x = 119,563.63

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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.