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Finding the Fourth Proportional to 454,805.80, 682,208.70 and 155,259.70

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Solution

The fourth proportional to 454,805.80, 682,208.70 and 155,259.70 is: 232,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,805.80 : 682,208.70 = 155,259.70 : x
  2. Step 2: Convert to fraction form
    454,805.80/682,208.70 = 155,259.70/x
  3. Step 3: Cross multiply
    454,805.80x = 682,208.70 × 155,259.70
  4. Step 4: Simplify right side
    454,805.80x = 105,919,518,099.39
  5. Step 5: Solve for x
    x = 105,919,518,099.39/454,805.80
  6. Step 6: Final answer
    x = 232,889.55

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Similar ratio
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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.