Home / 366,828.48-506,131.20-215,896.32

Finding the Fourth Proportional to 366,828.48, 506,131.20 and 215,896.32

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Solution

The fourth proportional to 366,828.48, 506,131.20 and 215,896.32 is: 297,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,828.48 : 506,131.20 = 215,896.32 : x
  2. Step 2: Convert to fraction form
    366,828.48/506,131.20 = 215,896.32/x
  3. Step 3: Cross multiply
    366,828.48x = 506,131.20 × 215,896.32
  4. Step 4: Simplify right side
    366,828.48x = 109,271,863,517.18
  5. Step 5: Solve for x
    x = 109,271,863,517.18/366,828.48
  6. Step 6: Final answer
    x = 297,882.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.