Home / 419,533.24-629,288.34-103,983.16

Finding the Fourth Proportional to 419,533.24, 629,288.34 and 103,983.16

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Solution

The fourth proportional to 419,533.24, 629,288.34 and 103,983.16 is: 155,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,533.24 : 629,288.34 = 103,983.16 : x
  2. Step 2: Convert to fraction form
    419,533.24/629,288.34 = 103,983.16/x
  3. Step 3: Cross multiply
    419,533.24x = 629,288.34 × 103,983.16
  4. Step 4: Simplify right side
    419,533.24x = 65,435,390,144.35
  5. Step 5: Solve for x
    x = 65,435,390,144.35/419,533.24
  6. Step 6: Final answer
    x = 155,971.88

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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.