Home / 419,829.98-629,747.80-153,480.92

Finding the Fourth Proportional to 419,829.98, 629,747.80 and 153,480.92

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Solution

The fourth proportional to 419,829.98, 629,747.80 and 153,480.92 is: 230,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,829.98 : 629,747.80 = 153,480.92 : x
  2. Step 2: Convert to fraction form
    419,829.98/629,747.80 = 153,480.92/x
  3. Step 3: Cross multiply
    419,829.98x = 629,747.80 × 153,480.92
  4. Step 4: Simplify right side
    419,829.98x = 96,654,271,711.98
  5. Step 5: Solve for x
    x = 96,654,271,711.98/419,829.98
  6. Step 6: Final answer
    x = 230,222.41

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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.