Home / 237,739.20-356,090.40-211,473.60

Finding the Fourth Proportional to 237,739.20, 356,090.40 and 211,473.60

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Solution

The fourth proportional to 237,739.20, 356,090.40 and 211,473.60 is: 316,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,739.20 : 356,090.40 = 211,473.60 : x
  2. Step 2: Convert to fraction form
    237,739.20/356,090.40 = 211,473.60/x
  3. Step 3: Cross multiply
    237,739.20x = 356,090.40 × 211,473.60
  4. Step 4: Simplify right side
    237,739.20x = 75,303,718,813.44
  5. Step 5: Solve for x
    x = 75,303,718,813.44/237,739.20
  6. Step 6: Final answer
    x = 316,749.27

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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.