Home / 329,329.66-454,224.17-283,467.36

Finding the Fourth Proportional to 329,329.66, 454,224.17 and 283,467.36

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Solution

The fourth proportional to 329,329.66, 454,224.17 and 283,467.36 is: 390,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,329.66 : 454,224.17 = 283,467.36 : x
  2. Step 2: Convert to fraction form
    329,329.66/454,224.17 = 283,467.36/x
  3. Step 3: Cross multiply
    329,329.66x = 454,224.17 × 283,467.36
  4. Step 4: Simplify right side
    329,329.66x = 128,757,726,318.09
  5. Step 5: Solve for x
    x = 128,757,726,318.09/329,329.66
  6. Step 6: Final answer
    x = 390,969.12

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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.