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Finding the Fourth Proportional to 451,314, 622,813.32 and 250,122.96

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Solution

The fourth proportional to 451,314, 622,813.32 and 250,122.96 is: 345,169.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,314 : 622,813.32 = 250,122.96 : x
  2. Step 2: Convert to fraction form
    451,314/622,813.32 = 250,122.96/x
  3. Step 3: Cross multiply
    451,314x = 622,813.32 × 250,122.96
  4. Step 4: Simplify right side
    451,314x = 155,779,911,125.83
  5. Step 5: Solve for x
    x = 155,779,911,125.83/451,314
  6. Step 6: Final answer
    x = 345,169.68

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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.