Home / 375,344.20-518,012.24-214,223.66

Finding the Fourth Proportional to 375,344.20, 518,012.24 and 214,223.66

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Solution

The fourth proportional to 375,344.20, 518,012.24 and 214,223.66 is: 295,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,344.20 : 518,012.24 = 214,223.66 : x
  2. Step 2: Convert to fraction form
    375,344.20/518,012.24 = 214,223.66/x
  3. Step 3: Cross multiply
    375,344.20x = 518,012.24 × 214,223.66
  4. Step 4: Simplify right side
    375,344.20x = 110,970,477,977.60
  5. Step 5: Solve for x
    x = 110,970,477,977.60/375,344.20
  6. Step 6: Final answer
    x = 295,649.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.