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Finding the Fourth Proportional to 244,307.98, 366,041.22 and 190,979.20

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Solution

The fourth proportional to 244,307.98, 366,041.22 and 190,979.20 is: 286,139.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,307.98 : 366,041.22 = 190,979.20 : x
  2. Step 2: Convert to fraction form
    244,307.98/366,041.22 = 190,979.20/x
  3. Step 3: Cross multiply
    244,307.98x = 366,041.22 × 190,979.20
  4. Step 4: Simplify right side
    244,307.98x = 69,906,259,362.62
  5. Step 5: Solve for x
    x = 69,906,259,362.62/244,307.98
  6. Step 6: Final answer
    x = 286,139.89

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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.