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Finding the Fourth Proportional to 615,150.10, 922,858.90 and 188,687.62

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Solution

The fourth proportional to 615,150.10, 922,858.90 and 188,687.62 is: 283,072.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,150.10 : 922,858.90 = 188,687.62 : x
  2. Step 2: Convert to fraction form
    615,150.10/922,858.90 = 188,687.62/x
  3. Step 3: Cross multiply
    615,150.10x = 922,858.90 × 188,687.62
  4. Step 4: Simplify right side
    615,150.10x = 174,132,049,436.82
  5. Step 5: Solve for x
    x = 174,132,049,436.82/615,150.10
  6. Step 6: Final answer
    x = 283,072.46

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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.