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Finding the Fourth Proportional to 368,313.28, 552,467.47 and 94,759.06

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Solution

The fourth proportional to 368,313.28, 552,467.47 and 94,759.06 is: 142,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,313.28 : 552,467.47 = 94,759.06 : x
  2. Step 2: Convert to fraction form
    368,313.28/552,467.47 = 94,759.06/x
  3. Step 3: Cross multiply
    368,313.28x = 552,467.47 × 94,759.06
  4. Step 4: Simplify right side
    368,313.28x = 52,351,298,137.78
  5. Step 5: Solve for x
    x = 52,351,298,137.78/368,313.28
  6. Step 6: Final answer
    x = 142,137.96

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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.