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Finding the Fourth Proportional to 244,507.30, 366,323.55 and 209,515.30

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Solution

The fourth proportional to 244,507.30, 366,323.55 and 209,515.30 is: 313,898.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,507.30 : 366,323.55 = 209,515.30 : x
  2. Step 2: Convert to fraction form
    244,507.30/366,323.55 = 209,515.30/x
  3. Step 3: Cross multiply
    244,507.30x = 366,323.55 × 209,515.30
  4. Step 4: Simplify right side
    244,507.30x = 76,750,388,475.32
  5. Step 5: Solve for x
    x = 76,750,388,475.32/244,507.30
  6. Step 6: Final answer
    x = 313,898.15

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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.