Home / 326,845.40-490,268.10-227,312.60

Finding the Fourth Proportional to 326,845.40, 490,268.10 and 227,312.60

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Solution

The fourth proportional to 326,845.40, 490,268.10 and 227,312.60 is: 340,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,845.40 : 490,268.10 = 227,312.60 : x
  2. Step 2: Convert to fraction form
    326,845.40/490,268.10 = 227,312.60/x
  3. Step 3: Cross multiply
    326,845.40x = 490,268.10 × 227,312.60
  4. Step 4: Simplify right side
    326,845.40x = 111,444,116,508.06
  5. Step 5: Solve for x
    x = 111,444,116,508.06/326,845.40
  6. Step 6: Final answer
    x = 340,968.90

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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.