Home / 227,420.40-340,324.20-198,159.60

Finding the Fourth Proportional to 227,420.40, 340,324.20 and 198,159.60

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Solution

The fourth proportional to 227,420.40, 340,324.20 and 198,159.60 is: 296,536.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,420.40 : 340,324.20 = 198,159.60 : x
  2. Step 2: Convert to fraction form
    227,420.40/340,324.20 = 198,159.60/x
  3. Step 3: Cross multiply
    227,420.40x = 340,324.20 × 198,159.60
  4. Step 4: Simplify right side
    227,420.40x = 67,438,507,342.32
  5. Step 5: Solve for x
    x = 67,438,507,342.32/227,420.40
  6. Step 6: Final answer
    x = 296,536.75

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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.