Home / 348,517.30-521,609.55-243,541.30

Finding the Fourth Proportional to 348,517.30, 521,609.55 and 243,541.30

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Solution

The fourth proportional to 348,517.30, 521,609.55 and 243,541.30 is: 364,496.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,517.30 : 521,609.55 = 243,541.30 : x
  2. Step 2: Convert to fraction form
    348,517.30/521,609.55 = 243,541.30/x
  3. Step 3: Cross multiply
    348,517.30x = 521,609.55 × 243,541.30
  4. Step 4: Simplify right side
    348,517.30x = 127,033,467,899.42
  5. Step 5: Solve for x
    x = 127,033,467,899.42/348,517.30
  6. Step 6: Final answer
    x = 364,496.88

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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.