Home / 308,974.10-463,504.35-131,479.70

Finding the Fourth Proportional to 308,974.10, 463,504.35 and 131,479.70

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Solution

The fourth proportional to 308,974.10, 463,504.35 and 131,479.70 is: 197,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,974.10 : 463,504.35 = 131,479.70 : x
  2. Step 2: Convert to fraction form
    308,974.10/463,504.35 = 131,479.70/x
  3. Step 3: Cross multiply
    308,974.10x = 463,504.35 × 131,479.70
  4. Step 4: Simplify right side
    308,974.10x = 60,941,412,886.70
  5. Step 5: Solve for x
    x = 60,941,412,886.70/308,974.10
  6. Step 6: Final answer
    x = 197,237.93

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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.