Home / 347,659.02-521,569.40-107,760.20

Finding the Fourth Proportional to 347,659.02, 521,569.40 and 107,760.20

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Solution

The fourth proportional to 347,659.02, 521,569.40 and 107,760.20 is: 161,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,659.02 : 521,569.40 = 107,760.20 : x
  2. Step 2: Convert to fraction form
    347,659.02/521,569.40 = 107,760.20/x
  3. Step 3: Cross multiply
    347,659.02x = 521,569.40 × 107,760.20
  4. Step 4: Simplify right side
    347,659.02x = 56,204,419,711.23
  5. Step 5: Solve for x
    x = 56,204,419,711.23/347,659.02
  6. Step 6: Final answer
    x = 161,665.36

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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.