Home / 328,664.80-492,991.26-92,003.86

Finding the Fourth Proportional to 328,664.80, 492,991.26 and 92,003.86

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Solution

The fourth proportional to 328,664.80, 492,991.26 and 92,003.86 is: 138,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,664.80 : 492,991.26 = 92,003.86 : x
  2. Step 2: Convert to fraction form
    328,664.80/492,991.26 = 92,003.86/x
  3. Step 3: Cross multiply
    328,664.80x = 492,991.26 × 92,003.86
  4. Step 4: Simplify right side
    328,664.80x = 45,357,098,866.26
  5. Step 5: Solve for x
    x = 45,357,098,866.26/328,664.80
  6. Step 6: Final answer
    x = 138,004.13

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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.