Home / 330,625.07-455,840.20-214,132.71

Finding the Fourth Proportional to 330,625.07, 455,840.20 and 214,132.71

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Solution

The fourth proportional to 330,625.07, 455,840.20 and 214,132.71 is: 295,229.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,625.07 : 455,840.20 = 214,132.71 : x
  2. Step 2: Convert to fraction form
    330,625.07/455,840.20 = 214,132.71/x
  3. Step 3: Cross multiply
    330,625.07x = 455,840.20 × 214,132.71
  4. Step 4: Simplify right side
    330,625.07x = 97,610,297,352.94
  5. Step 5: Solve for x
    x = 97,610,297,352.94/330,625.07
  6. Step 6: Final answer
    x = 295,229.57

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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.