Home / 240,431.60-360,647.40-231,246.20

Finding the Fourth Proportional to 240,431.60, 360,647.40 and 231,246.20

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Solution

The fourth proportional to 240,431.60, 360,647.40 and 231,246.20 is: 346,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,431.60 : 360,647.40 = 231,246.20 : x
  2. Step 2: Convert to fraction form
    240,431.60/360,647.40 = 231,246.20/x
  3. Step 3: Cross multiply
    240,431.60x = 360,647.40 × 231,246.20
  4. Step 4: Simplify right side
    240,431.60x = 83,398,340,789.88
  5. Step 5: Solve for x
    x = 83,398,340,789.88/240,431.60
  6. Step 6: Final answer
    x = 346,869.30

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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.