Home / 231,636.10-347,454.15-228,136.90

Finding the Fourth Proportional to 231,636.10, 347,454.15 and 228,136.90

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Solution

The fourth proportional to 231,636.10, 347,454.15 and 228,136.90 is: 342,205.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,636.10 : 347,454.15 = 228,136.90 : x
  2. Step 2: Convert to fraction form
    231,636.10/347,454.15 = 228,136.90/x
  3. Step 3: Cross multiply
    231,636.10x = 347,454.15 × 228,136.90
  4. Step 4: Simplify right side
    231,636.10x = 79,267,112,673.14
  5. Step 5: Solve for x
    x = 79,267,112,673.14/231,636.10
  6. Step 6: Final answer
    x = 342,205.35

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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.