Home / 254,631.87-351,260.21-172,964.33

Finding the Fourth Proportional to 254,631.87, 351,260.21 and 172,964.33

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Solution

The fourth proportional to 254,631.87, 351,260.21 and 172,964.33 is: 238,601.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,631.87 : 351,260.21 = 172,964.33 : x
  2. Step 2: Convert to fraction form
    254,631.87/351,260.21 = 172,964.33/x
  3. Step 3: Cross multiply
    254,631.87x = 351,260.21 × 172,964.33
  4. Step 4: Simplify right side
    254,631.87x = 60,755,484,257.19
  5. Step 5: Solve for x
    x = 60,755,484,257.19/254,631.87
  6. Step 6: Final answer
    x = 238,601.26

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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.