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Finding the Fourth Proportional to 367,440.80, 551,019.46 and 142,771.65

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Solution

The fourth proportional to 367,440.80, 551,019.46 and 142,771.65 is: 214,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,440.80 : 551,019.46 = 142,771.65 : x
  2. Step 2: Convert to fraction form
    367,440.80/551,019.46 = 142,771.65/x
  3. Step 3: Cross multiply
    367,440.80x = 551,019.46 × 142,771.65
  4. Step 4: Simplify right side
    367,440.80x = 78,669,956,772.45
  5. Step 5: Solve for x
    x = 78,669,956,772.45/367,440.80
  6. Step 6: Final answer
    x = 214,102.40

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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.