Home / 308,980.01-463,517.40-131,439.35

Finding the Fourth Proportional to 308,980.01, 463,517.40 and 131,439.35

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Solution

The fourth proportional to 308,980.01, 463,517.40 and 131,439.35 is: 197,179.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,980.01 : 463,517.40 = 131,439.35 : x
  2. Step 2: Convert to fraction form
    308,980.01/463,517.40 = 131,439.35/x
  3. Step 3: Cross multiply
    308,980.01x = 463,517.40 × 131,439.35
  4. Step 4: Simplify right side
    308,980.01x = 60,924,425,769.69
  5. Step 5: Solve for x
    x = 60,924,425,769.69/308,980.01
  6. Step 6: Final answer
    x = 197,179.18

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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.