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Finding the Fourth Proportional to 403,334.84, 605,376.34 and 203,795.36

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Solution

The fourth proportional to 403,334.84, 605,376.34 and 203,795.36 is: 305,882.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,334.84 : 605,376.34 = 203,795.36 : x
  2. Step 2: Convert to fraction form
    403,334.84/605,376.34 = 203,795.36/x
  3. Step 3: Cross multiply
    403,334.84x = 605,376.34 × 203,795.36
  4. Step 4: Simplify right side
    403,334.84x = 123,372,889,145.78
  5. Step 5: Solve for x
    x = 123,372,889,145.78/403,334.84
  6. Step 6: Final answer
    x = 305,882.05

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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.