Home / 371,579.64-512,823.60-220,676.64

Finding the Fourth Proportional to 371,579.64, 512,823.60 and 220,676.64

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Solution

The fourth proportional to 371,579.64, 512,823.60 and 220,676.64 is: 304,559.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,579.64 : 512,823.60 = 220,676.64 : x
  2. Step 2: Convert to fraction form
    371,579.64/512,823.60 = 220,676.64/x
  3. Step 3: Cross multiply
    371,579.64x = 512,823.60 × 220,676.64
  4. Step 4: Simplify right side
    371,579.64x = 113,168,188,960.70
  5. Step 5: Solve for x
    x = 113,168,188,960.70/371,579.64
  6. Step 6: Final answer
    x = 304,559.71

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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.