Home / 419,940.02-629,904.56-104,399.66

Finding the Fourth Proportional to 419,940.02, 629,904.56 and 104,399.66

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Solution

The fourth proportional to 419,940.02, 629,904.56 and 104,399.66 is: 156,598.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,940.02 : 629,904.56 = 104,399.66 : x
  2. Step 2: Convert to fraction form
    419,940.02/629,904.56 = 104,399.66/x
  3. Step 3: Cross multiply
    419,940.02x = 629,904.56 × 104,399.66
  4. Step 4: Simplify right side
    419,940.02x = 65,761,818,224.93
  5. Step 5: Solve for x
    x = 65,761,818,224.93/419,940.02
  6. Step 6: Final answer
    x = 156,598.12

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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.