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Finding the Fourth Proportional to 376,884, 565,585.20 and 155,268

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Solution

The fourth proportional to 376,884, 565,585.20 and 155,268 is: 233,008.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,884 : 565,585.20 = 155,268 : x
  2. Step 2: Convert to fraction form
    376,884/565,585.20 = 155,268/x
  3. Step 3: Cross multiply
    376,884x = 565,585.20 × 155,268
  4. Step 4: Simplify right side
    376,884x = 87,817,282,833.60
  5. Step 5: Solve for x
    x = 87,817,282,833.60/376,884
  6. Step 6: Final answer
    x = 233,008.78

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