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Finding the Fourth Proportional to 383,231.85, 570,324.15 and 370,460.97

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Solution

The fourth proportional to 383,231.85, 570,324.15 and 370,460.97 is: 551,318.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,231.85 : 570,324.15 = 370,460.97 : x
  2. Step 2: Convert to fraction form
    383,231.85/570,324.15 = 370,460.97/x
  3. Step 3: Cross multiply
    383,231.85x = 570,324.15 × 370,460.97
  4. Step 4: Simplify right side
    383,231.85x = 211,282,838,544.89
  5. Step 5: Solve for x
    x = 211,282,838,544.89/383,231.85
  6. Step 6: Final answer
    x = 551,318.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.