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Finding the Fourth Proportional to 358,944.40, 495,336.89 and 195,602.33

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Solution

The fourth proportional to 358,944.40, 495,336.89 and 195,602.33 is: 269,927.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,944.40 : 495,336.89 = 195,602.33 : x
  2. Step 2: Convert to fraction form
    358,944.40/495,336.89 = 195,602.33/x
  3. Step 3: Cross multiply
    358,944.40x = 495,336.89 × 195,602.33
  4. Step 4: Simplify right side
    358,944.40x = 96,889,047,659.77
  5. Step 5: Solve for x
    x = 96,889,047,659.77/358,944.40
  6. Step 6: Final answer
    x = 269,927.73

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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.