Home / 429,756.08-644,633.28-114,212.97

Finding the Fourth Proportional to 429,756.08, 644,633.28 and 114,212.97

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Solution

The fourth proportional to 429,756.08, 644,633.28 and 114,212.97 is: 171,319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,756.08 : 644,633.28 = 114,212.97 : x
  2. Step 2: Convert to fraction form
    429,756.08/644,633.28 = 114,212.97/x
  3. Step 3: Cross multiply
    429,756.08x = 644,633.28 × 114,212.97
  4. Step 4: Simplify right side
    429,756.08x = 73,625,481,469.64
  5. Step 5: Solve for x
    x = 73,625,481,469.64/429,756.08
  6. Step 6: Final answer
    x = 171,319.23

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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.