Home / 321,128.60-481,232.10-236,226.20

Finding the Fourth Proportional to 321,128.60, 481,232.10 and 236,226.20

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Solution

The fourth proportional to 321,128.60, 481,232.10 and 236,226.20 is: 354,000.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,128.60 : 481,232.10 = 236,226.20 : x
  2. Step 2: Convert to fraction form
    321,128.60/481,232.10 = 236,226.20/x
  3. Step 3: Cross multiply
    321,128.60x = 481,232.10 × 236,226.20
  4. Step 4: Simplify right side
    321,128.60x = 113,679,630,301.02
  5. Step 5: Solve for x
    x = 113,679,630,301.02/321,128.60
  6. Step 6: Final answer
    x = 354,000.33

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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.