Home / 294,941.39-442,131.78-188,025.28

Finding the Fourth Proportional to 294,941.39, 442,131.78 and 188,025.28

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Solution

The fourth proportional to 294,941.39, 442,131.78 and 188,025.28 is: 281,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,941.39 : 442,131.78 = 188,025.28 : x
  2. Step 2: Convert to fraction form
    294,941.39/442,131.78 = 188,025.28/x
  3. Step 3: Cross multiply
    294,941.39x = 442,131.78 × 188,025.28
  4. Step 4: Simplify right side
    294,941.39x = 83,131,949,520.74
  5. Step 5: Solve for x
    x = 83,131,949,520.74/294,941.39
  6. Step 6: Final answer
    x = 281,859.22

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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.