Home / 419,826.97-629,743.29-153,477.91

Finding the Fourth Proportional to 419,826.97, 629,743.29 and 153,477.91

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Solution

The fourth proportional to 419,826.97, 629,743.29 and 153,477.91 is: 230,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,826.97 : 629,743.29 = 153,477.91 : x
  2. Step 2: Convert to fraction form
    419,826.97/629,743.29 = 153,477.91/x
  3. Step 3: Cross multiply
    419,826.97x = 629,743.29 × 153,477.91
  4. Step 4: Simplify right side
    419,826.97x = 96,651,683,985.72
  5. Step 5: Solve for x
    x = 96,651,683,985.72/419,826.97
  6. Step 6: Final answer
    x = 230,217.90

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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.