Home / 227,018.13-340,368.64-100,589.72

Finding the Fourth Proportional to 227,018.13, 340,368.64 and 100,589.72

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Solution

The fourth proportional to 227,018.13, 340,368.64 and 100,589.72 is: 150,814.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,018.13 : 340,368.64 = 100,589.72 : x
  2. Step 2: Convert to fraction form
    227,018.13/340,368.64 = 100,589.72/x
  3. Step 3: Cross multiply
    227,018.13x = 340,368.64 × 100,589.72
  4. Step 4: Simplify right side
    227,018.13x = 34,237,585,517.45
  5. Step 5: Solve for x
    x = 34,237,585,517.45/227,018.13
  6. Step 6: Final answer
    x = 150,814.32

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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.