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Finding the Fourth Proportional to 248,254.92, 342,590.22 and 135,078.12

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Solution

The fourth proportional to 248,254.92, 342,590.22 and 135,078.12 is: 186,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,254.92 : 342,590.22 = 135,078.12 : x
  2. Step 2: Convert to fraction form
    248,254.92/342,590.22 = 135,078.12/x
  3. Step 3: Cross multiply
    248,254.92x = 342,590.22 × 135,078.12
  4. Step 4: Simplify right side
    248,254.92x = 46,276,442,847.99
  5. Step 5: Solve for x
    x = 46,276,442,847.99/248,254.92
  6. Step 6: Final answer
    x = 186,406.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.