Home / 311,922.30-467,883.45-288,302.70

Finding the Fourth Proportional to 311,922.30, 467,883.45 and 288,302.70

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Solution

The fourth proportional to 311,922.30, 467,883.45 and 288,302.70 is: 432,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,922.30 : 467,883.45 = 288,302.70 : x
  2. Step 2: Convert to fraction form
    311,922.30/467,883.45 = 288,302.70/x
  3. Step 3: Cross multiply
    311,922.30x = 467,883.45 × 288,302.70
  4. Step 4: Simplify right side
    311,922.30x = 134,892,061,920.32
  5. Step 5: Solve for x
    x = 134,892,061,920.32/311,922.30
  6. Step 6: Final answer
    x = 432,454.05

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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.