Home / 351,530.04-485,141.32-198,596.29

Finding the Fourth Proportional to 351,530.04, 485,141.32 and 198,596.29

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Solution

The fourth proportional to 351,530.04, 485,141.32 and 198,596.29 is: 274,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,530.04 : 485,141.32 = 198,596.29 : x
  2. Step 2: Convert to fraction form
    351,530.04/485,141.32 = 198,596.29/x
  3. Step 3: Cross multiply
    351,530.04x = 485,141.32 × 198,596.29
  4. Step 4: Simplify right side
    351,530.04x = 96,347,265,105.63
  5. Step 5: Solve for x
    x = 96,347,265,105.63/351,530.04
  6. Step 6: Final answer
    x = 274,079.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.