Home / 311,946.40-467,919.60-193,232.80

Finding the Fourth Proportional to 311,946.40, 467,919.60 and 193,232.80

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Solution

The fourth proportional to 311,946.40, 467,919.60 and 193,232.80 is: 289,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,946.40 : 467,919.60 = 193,232.80 : x
  2. Step 2: Convert to fraction form
    311,946.40/467,919.60 = 193,232.80/x
  3. Step 3: Cross multiply
    311,946.40x = 467,919.60 × 193,232.80
  4. Step 4: Simplify right side
    311,946.40x = 90,417,414,482.88
  5. Step 5: Solve for x
    x = 90,417,414,482.88/311,946.40
  6. Step 6: Final answer
    x = 289,849.20

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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.