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Finding the Fourth Proportional to 367,543.70, 551,315.55 and 180,919.70

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Solution

The fourth proportional to 367,543.70, 551,315.55 and 180,919.70 is: 271,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,543.70 : 551,315.55 = 180,919.70 : x
  2. Step 2: Convert to fraction form
    367,543.70/551,315.55 = 180,919.70/x
  3. Step 3: Cross multiply
    367,543.70x = 551,315.55 × 180,919.70
  4. Step 4: Simplify right side
    367,543.70x = 99,743,843,911.34
  5. Step 5: Solve for x
    x = 99,743,843,911.34/367,543.70
  6. Step 6: Final answer
    x = 271,379.55

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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.