Home / 361,654.07-499,074.90-208,680.26

Finding the Fourth Proportional to 361,654.07, 499,074.90 and 208,680.26

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Solution

The fourth proportional to 361,654.07, 499,074.90 and 208,680.26 is: 287,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,654.07 : 499,074.90 = 208,680.26 : x
  2. Step 2: Convert to fraction form
    361,654.07/499,074.90 = 208,680.26/x
  3. Step 3: Cross multiply
    361,654.07x = 499,074.90 × 208,680.26
  4. Step 4: Simplify right side
    361,654.07x = 104,147,077,396.10
  5. Step 5: Solve for x
    x = 104,147,077,396.10/361,654.07
  6. Step 6: Final answer
    x = 287,974.30

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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.