Home / 262,465.10-393,331.66-198,370.63

Finding the Fourth Proportional to 262,465.10, 393,331.66 and 198,370.63

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Solution

The fourth proportional to 262,465.10, 393,331.66 and 198,370.63 is: 297,279.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,465.10 : 393,331.66 = 198,370.63 : x
  2. Step 2: Convert to fraction form
    262,465.10/393,331.66 = 198,370.63/x
  3. Step 3: Cross multiply
    262,465.10x = 393,331.66 × 198,370.63
  4. Step 4: Simplify right side
    262,465.10x = 78,025,448,640.56
  5. Step 5: Solve for x
    x = 78,025,448,640.56/262,465.10
  6. Step 6: Final answer
    x = 297,279.32

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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.