Home / 330,636.33-455,468.27-239,725.17

Finding the Fourth Proportional to 330,636.33, 455,468.27 and 239,725.17

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Solution

The fourth proportional to 330,636.33, 455,468.27 and 239,725.17 is: 330,233.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,636.33 : 455,468.27 = 239,725.17 : x
  2. Step 2: Convert to fraction form
    330,636.33/455,468.27 = 239,725.17/x
  3. Step 3: Cross multiply
    330,636.33x = 455,468.27 × 239,725.17
  4. Step 4: Simplify right side
    330,636.33x = 109,187,207,256.73
  5. Step 5: Solve for x
    x = 109,187,207,256.73/330,636.33
  6. Step 6: Final answer
    x = 330,233.54

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1.5x scale

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.