Home / 358,895.22-495,286.62-205,961.40

Finding the Fourth Proportional to 358,895.22, 495,286.62 and 205,961.40

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Solution

The fourth proportional to 358,895.22, 495,286.62 and 205,961.40 is: 284,233.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,895.22 : 495,286.62 = 205,961.40 : x
  2. Step 2: Convert to fraction form
    358,895.22/495,286.62 = 205,961.40/x
  3. Step 3: Cross multiply
    358,895.22x = 495,286.62 × 205,961.40
  4. Step 4: Simplify right side
    358,895.22x = 102,009,925,656.47
  5. Step 5: Solve for x
    x = 102,009,925,656.47/358,895.22
  6. Step 6: Final answer
    x = 284,233.17

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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.