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Finding the Fourth Proportional to 451,872.16, 623,584.16 and 250,668.16

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Solution

The fourth proportional to 451,872.16, 623,584.16 and 250,668.16 is: 345,922.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,872.16 : 623,584.16 = 250,668.16 : x
  2. Step 2: Convert to fraction form
    451,872.16/623,584.16 = 250,668.16/x
  3. Step 3: Cross multiply
    451,872.16x = 623,584.16 × 250,668.16
  4. Step 4: Simplify right side
    451,872.16x = 156,312,693,992.35
  5. Step 5: Solve for x
    x = 156,312,693,992.35/451,872.16
  6. Step 6: Final answer
    x = 345,922.38

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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.