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Finding the Fourth Proportional to 200,959.80, 301,439.70 and 106,481.40

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Solution

The fourth proportional to 200,959.80, 301,439.70 and 106,481.40 is: 159,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,959.80 : 301,439.70 = 106,481.40 : x
  2. Step 2: Convert to fraction form
    200,959.80/301,439.70 = 106,481.40/x
  3. Step 3: Cross multiply
    200,959.80x = 301,439.70 × 106,481.40
  4. Step 4: Simplify right side
    200,959.80x = 32,097,721,271.58
  5. Step 5: Solve for x
    x = 32,097,721,271.58/200,959.80
  6. Step 6: Final answer
    x = 159,722.10

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1.5x scale

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.