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Finding the Fourth Proportional to 244,681.40, 367,022.10 and 219,020.60

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Solution

The fourth proportional to 244,681.40, 367,022.10 and 219,020.60 is: 328,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,681.40 : 367,022.10 = 219,020.60 : x
  2. Step 2: Convert to fraction form
    244,681.40/367,022.10 = 219,020.60/x
  3. Step 3: Cross multiply
    244,681.40x = 367,022.10 × 219,020.60
  4. Step 4: Simplify right side
    244,681.40x = 80,385,400,555.26
  5. Step 5: Solve for x
    x = 80,385,400,555.26/244,681.40
  6. Step 6: Final answer
    x = 328,530.90

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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.