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Finding the Fourth Proportional to 340,393.32, 509,974.07 and 245,107.62

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Solution

The fourth proportional to 340,393.32, 509,974.07 and 245,107.62 is: 367,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,393.32 : 509,974.07 = 245,107.62 : x
  2. Step 2: Convert to fraction form
    340,393.32/509,974.07 = 245,107.62/x
  3. Step 3: Cross multiply
    340,393.32x = 509,974.07 × 245,107.62
  4. Step 4: Simplify right side
    340,393.32x = 124,998,529,333.88
  5. Step 5: Solve for x
    x = 124,998,529,333.88/340,393.32
  6. Step 6: Final answer
    x = 367,217.93

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1.5x scale

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.