Home / 399,619.46-599,415.37-100,102.62

Finding the Fourth Proportional to 399,619.46, 599,415.37 and 100,102.62

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Solution

The fourth proportional to 399,619.46, 599,415.37 and 100,102.62 is: 150,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,619.46 : 599,415.37 = 100,102.62 : x
  2. Step 2: Convert to fraction form
    399,619.46/599,415.37 = 100,102.62/x
  3. Step 3: Cross multiply
    399,619.46x = 599,415.37 × 100,102.62
  4. Step 4: Simplify right side
    399,619.46x = 60,003,048,504.76
  5. Step 5: Solve for x
    x = 60,003,048,504.76/399,619.46
  6. Step 6: Final answer
    x = 150,150.47

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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.