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Finding the Fourth Proportional to 341,725.80, 512,588.70 and 131,370.60

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Solution

The fourth proportional to 341,725.80, 512,588.70 and 131,370.60 is: 197,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,725.80 : 512,588.70 = 131,370.60 : x
  2. Step 2: Convert to fraction form
    341,725.80/512,588.70 = 131,370.60/x
  3. Step 3: Cross multiply
    341,725.80x = 512,588.70 × 131,370.60
  4. Step 4: Simplify right side
    341,725.80x = 67,339,085,072.22
  5. Step 5: Solve for x
    x = 67,339,085,072.22/341,725.80
  6. Step 6: Final answer
    x = 197,055.90

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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.