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Finding the Fourth Proportional to 358,758, 495,086.04 and 207,942.48

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Solution

The fourth proportional to 358,758, 495,086.04 and 207,942.48 is: 286,960.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,758 : 495,086.04 = 207,942.48 : x
  2. Step 2: Convert to fraction form
    358,758/495,086.04 = 207,942.48/x
  3. Step 3: Cross multiply
    358,758x = 495,086.04 × 207,942.48
  4. Step 4: Simplify right side
    358,758x = 102,949,418,970.98
  5. Step 5: Solve for x
    x = 102,949,418,970.98/358,758
  6. Step 6: Final answer
    x = 286,960.62

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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.