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Finding the Fourth Proportional to 341,101.80, 511,652.70 and 163,517.40

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Solution

The fourth proportional to 341,101.80, 511,652.70 and 163,517.40 is: 245,276.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,101.80 : 511,652.70 = 163,517.40 : x
  2. Step 2: Convert to fraction form
    341,101.80/511,652.70 = 163,517.40/x
  3. Step 3: Cross multiply
    341,101.80x = 511,652.70 × 163,517.40
  4. Step 4: Simplify right side
    341,101.80x = 83,664,119,206.98
  5. Step 5: Solve for x
    x = 83,664,119,206.98/341,101.80
  6. Step 6: Final answer
    x = 245,276.10

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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.