Home / 358,867.39-495,248.22-205,933.58

Finding the Fourth Proportional to 358,867.39, 495,248.22 and 205,933.58

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Solution

The fourth proportional to 358,867.39, 495,248.22 and 205,933.58 is: 284,194.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,867.39 : 495,248.22 = 205,933.58 : x
  2. Step 2: Convert to fraction form
    358,867.39/495,248.22 = 205,933.58/x
  3. Step 3: Cross multiply
    358,867.39x = 495,248.22 × 205,933.58
  4. Step 4: Simplify right side
    358,867.39x = 101,988,238,933.23
  5. Step 5: Solve for x
    x = 101,988,238,933.23/358,867.39
  6. Step 6: Final answer
    x = 284,194.78

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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.