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Finding the Fourth Proportional to 175,069.44, 262,604.16 and 139,844.16

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Solution

The fourth proportional to 175,069.44, 262,604.16 and 139,844.16 is: 209,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,069.44 : 262,604.16 = 139,844.16 : x
  2. Step 2: Convert to fraction form
    175,069.44/262,604.16 = 139,844.16/x
  3. Step 3: Cross multiply
    175,069.44x = 262,604.16 × 139,844.16
  4. Step 4: Simplify right side
    175,069.44x = 36,723,658,167.71
  5. Step 5: Solve for x
    x = 36,723,658,167.71/175,069.44
  6. Step 6: Final answer
    x = 209,766.24

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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.