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Finding the Fourth Proportional to 401,571.93, 602,377.86 and 131,727.26

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Solution

The fourth proportional to 401,571.93, 602,377.86 and 131,727.26 is: 197,597.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,571.93 : 602,377.86 = 131,727.26 : x
  2. Step 2: Convert to fraction form
    401,571.93/602,377.86 = 131,727.26/x
  3. Step 3: Cross multiply
    401,571.93x = 602,377.86 × 131,727.26
  4. Step 4: Simplify right side
    401,571.93x = 79,349,586,982.39
  5. Step 5: Solve for x
    x = 79,349,586,982.39/401,571.93
  6. Step 6: Final answer
    x = 197,597.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.