Home / 229,228.20-343,842.30-213,676.20

Finding the Fourth Proportional to 229,228.20, 343,842.30 and 213,676.20

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Solution

The fourth proportional to 229,228.20, 343,842.30 and 213,676.20 is: 320,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,228.20 : 343,842.30 = 213,676.20 : x
  2. Step 2: Convert to fraction form
    229,228.20/343,842.30 = 213,676.20/x
  3. Step 3: Cross multiply
    229,228.20x = 343,842.30 × 213,676.20
  4. Step 4: Simplify right side
    229,228.20x = 73,470,916,063.26
  5. Step 5: Solve for x
    x = 73,470,916,063.26/229,228.20
  6. Step 6: Final answer
    x = 320,514.30

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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.