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Finding the Fourth Proportional to 326,801.44, 490,243.92 and 116,460.64

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Solution

The fourth proportional to 326,801.44, 490,243.92 and 116,460.64 is: 174,705.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,801.44 : 490,243.92 = 116,460.64 : x
  2. Step 2: Convert to fraction form
    326,801.44/490,243.92 = 116,460.64/x
  3. Step 3: Cross multiply
    326,801.44x = 490,243.92 × 116,460.64
  4. Step 4: Simplify right side
    326,801.44x = 57,094,120,679.31
  5. Step 5: Solve for x
    x = 57,094,120,679.31/326,801.44
  6. Step 6: Final answer
    x = 174,705.84

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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.