Home / 311,627.40-467,441.10-192,913.80

Finding the Fourth Proportional to 311,627.40, 467,441.10 and 192,913.80

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Solution

The fourth proportional to 311,627.40, 467,441.10 and 192,913.80 is: 289,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,627.40 : 467,441.10 = 192,913.80 : x
  2. Step 2: Convert to fraction form
    311,627.40/467,441.10 = 192,913.80/x
  3. Step 3: Cross multiply
    311,627.40x = 467,441.10 × 192,913.80
  4. Step 4: Simplify right side
    311,627.40x = 90,175,838,877.18
  5. Step 5: Solve for x
    x = 90,175,838,877.18/311,627.40
  6. Step 6: Final answer
    x = 289,370.70

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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.