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Finding the Fourth Proportional to 376,444.48, 519,494.40 and 206,689.60

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Solution

The fourth proportional to 376,444.48, 519,494.40 and 206,689.60 is: 285,232.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,444.48 : 519,494.40 = 206,689.60 : x
  2. Step 2: Convert to fraction form
    376,444.48/519,494.40 = 206,689.60/x
  3. Step 3: Cross multiply
    376,444.48x = 519,494.40 × 206,689.60
  4. Step 4: Simplify right side
    376,444.48x = 107,374,089,738.24
  5. Step 5: Solve for x
    x = 107,374,089,738.24/376,444.48
  6. Step 6: Final answer
    x = 285,232.21

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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.