Home / 419,866.02-629,734.10-153,564.26

Finding the Fourth Proportional to 419,866.02, 629,734.10 and 153,564.26

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Solution

The fourth proportional to 419,866.02, 629,734.10 and 153,564.26 is: 230,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,866.02 : 629,734.10 = 153,564.26 : x
  2. Step 2: Convert to fraction form
    419,866.02/629,734.10 = 153,564.26/x
  3. Step 3: Cross multiply
    419,866.02x = 629,734.10 × 153,564.26
  4. Step 4: Simplify right side
    419,866.02x = 96,704,651,063.27
  5. Step 5: Solve for x
    x = 96,704,651,063.27/419,866.02
  6. Step 6: Final answer
    x = 230,322.64

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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.