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Finding the Fourth Proportional to 358,773.81, 495,110.39 and 205,818.68

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Solution

The fourth proportional to 358,773.81, 495,110.39 and 205,818.68 is: 284,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,773.81 : 495,110.39 = 205,818.68 : x
  2. Step 2: Convert to fraction form
    358,773.81/495,110.39 = 205,818.68/x
  3. Step 3: Cross multiply
    358,773.81x = 495,110.39 × 205,818.68
  4. Step 4: Simplify right side
    358,773.81x = 101,902,963,419.44
  5. Step 5: Solve for x
    x = 101,902,963,419.44/358,773.81
  6. Step 6: Final answer
    x = 284,031.22

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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.