Home / 328,192.90-491,305.20-195,004.60

Finding the Fourth Proportional to 328,192.90, 491,305.20 and 195,004.60

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Solution

The fourth proportional to 328,192.90, 491,305.20 and 195,004.60 is: 291,922.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,192.90 : 491,305.20 = 195,004.60 : x
  2. Step 2: Convert to fraction form
    328,192.90/491,305.20 = 195,004.60/x
  3. Step 3: Cross multiply
    328,192.90x = 491,305.20 × 195,004.60
  4. Step 4: Simplify right side
    328,192.90x = 95,806,774,003.92
  5. Step 5: Solve for x
    x = 95,806,774,003.92/328,192.90
  6. Step 6: Final answer
    x = 291,922.14

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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.