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Finding the Fourth Proportional to 341,253.28, 511,978.30 and 104,630.86

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Solution

The fourth proportional to 341,253.28, 511,978.30 and 104,630.86 is: 156,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,253.28 : 511,978.30 = 104,630.86 : x
  2. Step 2: Convert to fraction form
    341,253.28/511,978.30 = 104,630.86/x
  3. Step 3: Cross multiply
    341,253.28x = 511,978.30 × 104,630.86
  4. Step 4: Simplify right side
    341,253.28x = 53,568,729,830.34
  5. Step 5: Solve for x
    x = 53,568,729,830.34/341,253.28
  6. Step 6: Final answer
    x = 156,976.45

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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.