Home / 347,447.24-521,247.38-197,758

Finding the Fourth Proportional to 347,447.24, 521,247.38 and 197,758

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Solution

The fourth proportional to 347,447.24, 521,247.38 and 197,758 is: 296,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,447.24 : 521,247.38 = 197,758 : x
  2. Step 2: Convert to fraction form
    347,447.24/521,247.38 = 197,758/x
  3. Step 3: Cross multiply
    347,447.24x = 521,247.38 × 197,758
  4. Step 4: Simplify right side
    347,447.24x = 103,080,839,374.04
  5. Step 5: Solve for x
    x = 103,080,839,374.04/347,447.24
  6. Step 6: Final answer
    x = 296,680.55

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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.