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Finding the Fourth Proportional to 341,252.90, 511,879.30 and 116,615.28

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Solution

The fourth proportional to 341,252.90, 511,879.30 and 116,615.28 is: 174,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,252.90 : 511,879.30 = 116,615.28 : x
  2. Step 2: Convert to fraction form
    341,252.90/511,879.30 = 116,615.28/x
  3. Step 3: Cross multiply
    341,252.90x = 511,879.30 × 116,615.28
  4. Step 4: Simplify right side
    341,252.90x = 59,692,947,895.70
  5. Step 5: Solve for x
    x = 59,692,947,895.70/341,252.90
  6. Step 6: Final answer
    x = 174,922.90

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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.