Home / 226,715.10-340,072.65-215,828.70

Finding the Fourth Proportional to 226,715.10, 340,072.65 and 215,828.70

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Solution

The fourth proportional to 226,715.10, 340,072.65 and 215,828.70 is: 323,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,715.10 : 340,072.65 = 215,828.70 : x
  2. Step 2: Convert to fraction form
    226,715.10/340,072.65 = 215,828.70/x
  3. Step 3: Cross multiply
    226,715.10x = 340,072.65 × 215,828.70
  4. Step 4: Simplify right side
    226,715.10x = 73,397,437,955.06
  5. Step 5: Solve for x
    x = 73,397,437,955.06/226,715.10
  6. Step 6: Final answer
    x = 323,743.05

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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.