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Finding the Fourth Proportional to 358,727, 495,043.26 and 207,911.48

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Solution

The fourth proportional to 358,727, 495,043.26 and 207,911.48 is: 286,917.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,727 : 495,043.26 = 207,911.48 : x
  2. Step 2: Convert to fraction form
    358,727/495,043.26 = 207,911.48/x
  3. Step 3: Cross multiply
    358,727x = 495,043.26 × 207,911.48
  4. Step 4: Simplify right side
    358,727x = 102,925,176,850.63
  5. Step 5: Solve for x
    x = 102,925,176,850.63/358,727
  6. Step 6: Final answer
    x = 286,917.84

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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.