Home / 331,530.89-457,392.56-216,874.85

Finding the Fourth Proportional to 331,530.89, 457,392.56 and 216,874.85

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Solution

The fourth proportional to 331,530.89, 457,392.56 and 216,874.85 is: 299,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,530.89 : 457,392.56 = 216,874.85 : x
  2. Step 2: Convert to fraction form
    331,530.89/457,392.56 = 216,874.85/x
  3. Step 3: Cross multiply
    331,530.89x = 457,392.56 × 216,874.85
  4. Step 4: Simplify right side
    331,530.89x = 99,196,939,469.78
  5. Step 5: Solve for x
    x = 99,196,939,469.78/331,530.89
  6. Step 6: Final answer
    x = 299,208.74

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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.