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Finding the Fourth Proportional to 248,842.10, 343,190.84 and 210,268.91

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Solution

The fourth proportional to 248,842.10, 343,190.84 and 210,268.91 is: 289,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,842.10 : 343,190.84 = 210,268.91 : x
  2. Step 2: Convert to fraction form
    248,842.10/343,190.84 = 210,268.91/x
  3. Step 3: Cross multiply
    248,842.10x = 343,190.84 × 210,268.91
  4. Step 4: Simplify right side
    248,842.10x = 72,162,361,081.49
  5. Step 5: Solve for x
    x = 72,162,361,081.49/248,842.10
  6. Step 6: Final answer
    x = 289,992.58

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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.