Home / 427,624.32-641,246.88-227,907.52

Finding the Fourth Proportional to 427,624.32, 641,246.88 and 227,907.52

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Solution

The fourth proportional to 427,624.32, 641,246.88 and 227,907.52 is: 341,760.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,624.32 : 641,246.88 = 227,907.52 : x
  2. Step 2: Convert to fraction form
    427,624.32/641,246.88 = 227,907.52/x
  3. Step 3: Cross multiply
    427,624.32x = 641,246.88 × 227,907.52
  4. Step 4: Simplify right side
    427,624.32x = 146,144,986,128.54
  5. Step 5: Solve for x
    x = 146,144,986,128.54/427,624.32
  6. Step 6: Final answer
    x = 341,760.23

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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.