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Finding the Fourth Proportional to 244,574.30, 366,861.45 and 86,818.70

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Solution

The fourth proportional to 244,574.30, 366,861.45 and 86,818.70 is: 130,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,574.30 : 366,861.45 = 86,818.70 : x
  2. Step 2: Convert to fraction form
    244,574.30/366,861.45 = 86,818.70/x
  3. Step 3: Cross multiply
    244,574.30x = 366,861.45 × 86,818.70
  4. Step 4: Simplify right side
    244,574.30x = 31,850,434,169.12
  5. Step 5: Solve for x
    x = 31,850,434,169.12/244,574.30
  6. Step 6: Final answer
    x = 130,228.05

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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.