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Finding the Fourth Proportional to 308,559.36, 425,997.72 and 201,315.36

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Solution

The fourth proportional to 308,559.36, 425,997.72 and 201,315.36 is: 277,936.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,559.36 : 425,997.72 = 201,315.36 : x
  2. Step 2: Convert to fraction form
    308,559.36/425,997.72 = 201,315.36/x
  3. Step 3: Cross multiply
    308,559.36x = 425,997.72 × 201,315.36
  4. Step 4: Simplify right side
    308,559.36x = 85,759,884,360.98
  5. Step 5: Solve for x
    x = 85,759,884,360.98/308,559.36
  6. Step 6: Final answer
    x = 277,936.42

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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.