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Finding the Fourth Proportional to 372,173.06, 513,602.78 and 202,410.83

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Solution

The fourth proportional to 372,173.06, 513,602.78 and 202,410.83 is: 279,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,173.06 : 513,602.78 = 202,410.83 : x
  2. Step 2: Convert to fraction form
    372,173.06/513,602.78 = 202,410.83/x
  3. Step 3: Cross multiply
    372,173.06x = 513,602.78 × 202,410.83
  4. Step 4: Simplify right side
    372,173.06x = 103,958,765,262.06
  5. Step 5: Solve for x
    x = 103,958,765,262.06/372,173.06
  6. Step 6: Final answer
    x = 279,329.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.