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Finding the Fourth Proportional to 308,407.97, 425,720.45 and 201,004.13

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Solution

The fourth proportional to 308,407.97, 425,720.45 and 201,004.13 is: 277,462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,407.97 : 425,720.45 = 201,004.13 : x
  2. Step 2: Convert to fraction form
    308,407.97/425,720.45 = 201,004.13/x
  3. Step 3: Cross multiply
    308,407.97x = 425,720.45 × 201,004.13
  4. Step 4: Simplify right side
    308,407.97x = 85,571,567,670.44
  5. Step 5: Solve for x
    x = 85,571,567,670.44/308,407.97
  6. Step 6: Final answer
    x = 277,462.24

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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.