Home / 400,029.44-599,997.91-100,487.22

Finding the Fourth Proportional to 400,029.44, 599,997.91 and 100,487.22

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Solution

The fourth proportional to 400,029.44, 599,997.91 and 100,487.22 is: 150,719.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,029.44 : 599,997.91 = 100,487.22 : x
  2. Step 2: Convert to fraction form
    400,029.44/599,997.91 = 100,487.22/x
  3. Step 3: Cross multiply
    400,029.44x = 599,997.91 × 100,487.22
  4. Step 4: Simplify right side
    400,029.44x = 60,292,121,981.71
  5. Step 5: Solve for x
    x = 60,292,121,981.71/400,029.44
  6. Step 6: Final answer
    x = 150,719.21

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1.5x scale

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.