Home / 323,021.25-484,535.98-112,659.19

Finding the Fourth Proportional to 323,021.25, 484,535.98 and 112,659.19

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Solution

The fourth proportional to 323,021.25, 484,535.98 and 112,659.19 is: 168,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,021.25 : 484,535.98 = 112,659.19 : x
  2. Step 2: Convert to fraction form
    323,021.25/484,535.98 = 112,659.19/x
  3. Step 3: Cross multiply
    323,021.25x = 484,535.98 × 112,659.19
  4. Step 4: Simplify right side
    323,021.25x = 54,587,429,328.43
  5. Step 5: Solve for x
    x = 54,587,429,328.43/323,021.25
  6. Step 6: Final answer
    x = 168,990.21

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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.