Home / 340,284.57-509,865.21-197,729.69

Finding the Fourth Proportional to 340,284.57, 509,865.21 and 197,729.69

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Solution

The fourth proportional to 340,284.57, 509,865.21 and 197,729.69 is: 296,268.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,284.57 : 509,865.21 = 197,729.69 : x
  2. Step 2: Convert to fraction form
    340,284.57/509,865.21 = 197,729.69/x
  3. Step 3: Cross multiply
    340,284.57x = 509,865.21 × 197,729.69
  4. Step 4: Simplify right side
    340,284.57x = 100,815,487,365.76
  5. Step 5: Solve for x
    x = 100,815,487,365.76/340,284.57
  6. Step 6: Final answer
    x = 296,268.17

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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.