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Finding the Fourth Proportional to 244,700.70, 366,964.65 and 86,934.30

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Solution

The fourth proportional to 244,700.70, 366,964.65 and 86,934.30 is: 130,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,700.70 : 366,964.65 = 86,934.30 : x
  2. Step 2: Convert to fraction form
    244,700.70/366,964.65 = 86,934.30/x
  3. Step 3: Cross multiply
    244,700.70x = 366,964.65 × 86,934.30
  4. Step 4: Simplify right side
    244,700.70x = 31,901,814,972.50
  5. Step 5: Solve for x
    x = 31,901,814,972.50/244,700.70
  6. Step 6: Final answer
    x = 130,370.75

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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.