Home / 311,949.20-467,923.80-101,608.40

Finding the Fourth Proportional to 311,949.20, 467,923.80 and 101,608.40

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Solution

The fourth proportional to 311,949.20, 467,923.80 and 101,608.40 is: 152,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,949.20 : 467,923.80 = 101,608.40 : x
  2. Step 2: Convert to fraction form
    311,949.20/467,923.80 = 101,608.40/x
  3. Step 3: Cross multiply
    311,949.20x = 467,923.80 × 101,608.40
  4. Step 4: Simplify right side
    311,949.20x = 47,544,988,639.92
  5. Step 5: Solve for x
    x = 47,544,988,639.92/311,949.20
  6. Step 6: Final answer
    x = 152,412.60

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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.