Home / 347,986.46-521,990.56-165,577.32

Finding the Fourth Proportional to 347,986.46, 521,990.56 and 165,577.32

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Solution

The fourth proportional to 347,986.46, 521,990.56 and 165,577.32 is: 248,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,986.46 : 521,990.56 = 165,577.32 : x
  2. Step 2: Convert to fraction form
    347,986.46/521,990.56 = 165,577.32/x
  3. Step 3: Cross multiply
    347,986.46x = 521,990.56 × 165,577.32
  4. Step 4: Simplify right side
    347,986.46x = 86,429,797,990.10
  5. Step 5: Solve for x
    x = 86,429,797,990.10/347,986.46
  6. Step 6: Final answer
    x = 248,371.15

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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.