Home / 419,317.02-629,076.08-135,034.36

Finding the Fourth Proportional to 419,317.02, 629,076.08 and 135,034.36

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Solution

The fourth proportional to 419,317.02, 629,076.08 and 135,034.36 is: 202,583.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,317.02 : 629,076.08 = 135,034.36 : x
  2. Step 2: Convert to fraction form
    419,317.02/629,076.08 = 135,034.36/x
  3. Step 3: Cross multiply
    419,317.02x = 629,076.08 × 135,034.36
  4. Step 4: Simplify right side
    419,317.02x = 84,946,885,854.11
  5. Step 5: Solve for x
    x = 84,946,885,854.11/419,317.02
  6. Step 6: Final answer
    x = 202,583.92

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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.