Home / 299,417.85-449,178.62-122,021.37

Finding the Fourth Proportional to 299,417.85, 449,178.62 and 122,021.37

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Solution

The fourth proportional to 299,417.85, 449,178.62 and 122,021.37 is: 183,053.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,417.85 : 449,178.62 = 122,021.37 : x
  2. Step 2: Convert to fraction form
    299,417.85/449,178.62 = 122,021.37/x
  3. Step 3: Cross multiply
    299,417.85x = 449,178.62 × 122,021.37
  4. Step 4: Simplify right side
    299,417.85x = 54,809,389,977.00
  5. Step 5: Solve for x
    x = 54,809,389,977.00/299,417.85
  6. Step 6: Final answer
    x = 183,053.18

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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.