Home / 308,207.53-425,327.96-172,243.75

Finding the Fourth Proportional to 308,207.53, 425,327.96 and 172,243.75

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Solution

The fourth proportional to 308,207.53, 425,327.96 and 172,243.75 is: 237,697.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,207.53 : 425,327.96 = 172,243.75 : x
  2. Step 2: Convert to fraction form
    308,207.53/425,327.96 = 172,243.75/x
  3. Step 3: Cross multiply
    308,207.53x = 425,327.96 × 172,243.75
  4. Step 4: Simplify right side
    308,207.53x = 73,260,080,885.71
  5. Step 5: Solve for x
    x = 73,260,080,885.71/308,207.53
  6. Step 6: Final answer
    x = 237,697.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.