Home / 379,028.34-523,104.99-215,724.57

Finding the Fourth Proportional to 379,028.34, 523,104.99 and 215,724.57

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Solution

The fourth proportional to 379,028.34, 523,104.99 and 215,724.57 is: 297,726.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,028.34 : 523,104.99 = 215,724.57 : x
  2. Step 2: Convert to fraction form
    379,028.34/523,104.99 = 215,724.57/x
  3. Step 3: Cross multiply
    379,028.34x = 523,104.99 × 215,724.57
  4. Step 4: Simplify right side
    379,028.34x = 112,846,596,261.99
  5. Step 5: Solve for x
    x = 112,846,596,261.99/379,028.34
  6. Step 6: Final answer
    x = 297,726.01

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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.