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Finding the Fourth Proportional to 355,772.72, 491,112.42 and 241,208.27

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Solution

The fourth proportional to 355,772.72, 491,112.42 and 241,208.27 is: 332,966.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,772.72 : 491,112.42 = 241,208.27 : x
  2. Step 2: Convert to fraction form
    355,772.72/491,112.42 = 241,208.27/x
  3. Step 3: Cross multiply
    355,772.72x = 491,112.42 × 241,208.27
  4. Step 4: Simplify right side
    355,772.72x = 118,460,377,203.71
  5. Step 5: Solve for x
    x = 118,460,377,203.71/355,772.72
  6. Step 6: Final answer
    x = 332,966.44

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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.