Home / 280,191.04-419,936.32-180,084.80

Finding the Fourth Proportional to 280,191.04, 419,936.32 and 180,084.80

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Solution

The fourth proportional to 280,191.04, 419,936.32 and 180,084.80 is: 269,902.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,191.04 : 419,936.32 = 180,084.80 : x
  2. Step 2: Convert to fraction form
    280,191.04/419,936.32 = 180,084.80/x
  3. Step 3: Cross multiply
    280,191.04x = 419,936.32 × 180,084.80
  4. Step 4: Simplify right side
    280,191.04x = 75,624,148,199.94
  5. Step 5: Solve for x
    x = 75,624,148,199.94/280,191.04
  6. Step 6: Final answer
    x = 269,902.09

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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.