Home / 323,020.09-484,574.47-109,730.75

Finding the Fourth Proportional to 323,020.09, 484,574.47 and 109,730.75

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Solution

The fourth proportional to 323,020.09, 484,574.47 and 109,730.75 is: 164,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,020.09 : 484,574.47 = 109,730.75 : x
  2. Step 2: Convert to fraction form
    323,020.09/484,574.47 = 109,730.75/x
  3. Step 3: Cross multiply
    323,020.09x = 484,574.47 × 109,730.75
  4. Step 4: Simplify right side
    323,020.09x = 53,172,720,023.95
  5. Step 5: Solve for x
    x = 53,172,720,023.95/323,020.09
  6. Step 6: Final answer
    x = 164,611.19

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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.