Home / 250,623.88-345,785.37-153,728.17

Finding the Fourth Proportional to 250,623.88, 345,785.37 and 153,728.17

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Solution

The fourth proportional to 250,623.88, 345,785.37 and 153,728.17 is: 212,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,623.88 : 345,785.37 = 153,728.17 : x
  2. Step 2: Convert to fraction form
    250,623.88/345,785.37 = 153,728.17/x
  3. Step 3: Cross multiply
    250,623.88x = 345,785.37 × 153,728.17
  4. Step 4: Simplify right side
    250,623.88x = 53,156,952,142.87
  5. Step 5: Solve for x
    x = 53,156,952,142.87/250,623.88
  6. Step 6: Final answer
    x = 212,098.51

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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.