Home / 412,258.27-618,371.23-172,310.20

Finding the Fourth Proportional to 412,258.27, 618,371.23 and 172,310.20

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Solution

The fourth proportional to 412,258.27, 618,371.23 and 172,310.20 is: 258,458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,258.27 : 618,371.23 = 172,310.20 : x
  2. Step 2: Convert to fraction form
    412,258.27/618,371.23 = 172,310.20/x
  3. Step 3: Cross multiply
    412,258.27x = 618,371.23 × 172,310.20
  4. Step 4: Simplify right side
    412,258.27x = 106,551,669,894.98
  5. Step 5: Solve for x
    x = 106,551,669,894.98/412,258.27
  6. Step 6: Final answer
    x = 258,458.54

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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.