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Finding the Fourth Proportional to 260,224.37, 358,911.45 and 223,987.44

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Solution

The fourth proportional to 260,224.37, 358,911.45 and 223,987.44 is: 308,932.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,224.37 : 358,911.45 = 223,987.44 : x
  2. Step 2: Convert to fraction form
    260,224.37/358,911.45 = 223,987.44/x
  3. Step 3: Cross multiply
    260,224.37x = 358,911.45 × 223,987.44
  4. Step 4: Simplify right side
    260,224.37x = 80,391,656,872.19
  5. Step 5: Solve for x
    x = 80,391,656,872.19/260,224.37
  6. Step 6: Final answer
    x = 308,932.09

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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.