Home / 248,766.70-343,274.32-145,425.05

Finding the Fourth Proportional to 248,766.70, 343,274.32 and 145,425.05

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Solution

The fourth proportional to 248,766.70, 343,274.32 and 145,425.05 is: 200,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,766.70 : 343,274.32 = 145,425.05 : x
  2. Step 2: Convert to fraction form
    248,766.70/343,274.32 = 145,425.05/x
  3. Step 3: Cross multiply
    248,766.70x = 343,274.32 × 145,425.05
  4. Step 4: Simplify right side
    248,766.70x = 49,920,685,149.72
  5. Step 5: Solve for x
    x = 49,920,685,149.72/248,766.70
  6. Step 6: Final answer
    x = 200,672.70

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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.