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Finding the Fourth Proportional to 341,481.72, 512,091.30 and 235,980.84

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Solution

The fourth proportional to 341,481.72, 512,091.30 and 235,980.84 is: 353,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,481.72 : 512,091.30 = 235,980.84 : x
  2. Step 2: Convert to fraction form
    341,481.72/512,091.30 = 235,980.84/x
  3. Step 3: Cross multiply
    341,481.72x = 512,091.30 × 235,980.84
  4. Step 4: Simplify right side
    341,481.72x = 120,843,735,130.69
  5. Step 5: Solve for x
    x = 120,843,735,130.69/341,481.72
  6. Step 6: Final answer
    x = 353,880.54

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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.