Home / 429,163.28-644,085.08-226,902.96

Finding the Fourth Proportional to 429,163.28, 644,085.08 and 226,902.96

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Solution

The fourth proportional to 429,163.28, 644,085.08 and 226,902.96 is: 340,534.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,163.28 : 644,085.08 = 226,902.96 : x
  2. Step 2: Convert to fraction form
    429,163.28/644,085.08 = 226,902.96/x
  3. Step 3: Cross multiply
    429,163.28x = 644,085.08 × 226,902.96
  4. Step 4: Simplify right side
    429,163.28x = 146,144,811,143.84
  5. Step 5: Solve for x
    x = 146,144,811,143.84/429,163.28
  6. Step 6: Final answer
    x = 340,534.29

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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.