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Finding the Fourth Proportional to 313,608.92, 469,800.96 and 250,560.20

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Solution

The fourth proportional to 313,608.92, 469,800.96 and 250,560.20 is: 375,351.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,608.92 : 469,800.96 = 250,560.20 : x
  2. Step 2: Convert to fraction form
    313,608.92/469,800.96 = 250,560.20/x
  3. Step 3: Cross multiply
    313,608.92x = 469,800.96 × 250,560.20
  4. Step 4: Simplify right side
    313,608.92x = 117,713,422,497.79
  5. Step 5: Solve for x
    x = 117,713,422,497.79/313,608.92
  6. Step 6: Final answer
    x = 375,351.00

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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.