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Finding the Fourth Proportional to 379,580.08, 523,767 and 216,240.88

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Solution

The fourth proportional to 379,580.08, 523,767 and 216,240.88 is: 298,381.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,580.08 : 523,767 = 216,240.88 : x
  2. Step 2: Convert to fraction form
    379,580.08/523,767 = 216,240.88/x
  3. Step 3: Cross multiply
    379,580.08x = 523,767 × 216,240.88
  4. Step 4: Simplify right side
    379,580.08x = 113,259,836,994.96
  5. Step 5: Solve for x
    x = 113,259,836,994.96/379,580.08
  6. Step 6: Final answer
    x = 298,381.93

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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.