Home / 308,980.02-463,517.40-131,439.36

Finding the Fourth Proportional to 308,980.02, 463,517.40 and 131,439.36

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Solution

The fourth proportional to 308,980.02, 463,517.40 and 131,439.36 is: 197,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,980.02 : 463,517.40 = 131,439.36 : x
  2. Step 2: Convert to fraction form
    308,980.02/463,517.40 = 131,439.36/x
  3. Step 3: Cross multiply
    308,980.02x = 463,517.40 × 131,439.36
  4. Step 4: Simplify right side
    308,980.02x = 60,924,430,404.86
  5. Step 5: Solve for x
    x = 60,924,430,404.86/308,980.02
  6. Step 6: Final answer
    x = 197,179.19

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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.