Home / 439,146.50-606,014.30-248,155.79

Finding the Fourth Proportional to 439,146.50, 606,014.30 and 248,155.79

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Solution

The fourth proportional to 439,146.50, 606,014.30 and 248,155.79 is: 342,450.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,146.50 : 606,014.30 = 248,155.79 : x
  2. Step 2: Convert to fraction form
    439,146.50/606,014.30 = 248,155.79/x
  3. Step 3: Cross multiply
    439,146.50x = 606,014.30 × 248,155.79
  4. Step 4: Simplify right side
    439,146.50x = 150,385,957,367.80
  5. Step 5: Solve for x
    x = 150,385,957,367.80/439,146.50
  6. Step 6: Final answer
    x = 342,450.54

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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.