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Finding the Fourth Proportional to 380,370.49, 570,611.36 and 114,152.04

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Solution

The fourth proportional to 380,370.49, 570,611.36 and 114,152.04 is: 171,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,370.49 : 570,611.36 = 114,152.04 : x
  2. Step 2: Convert to fraction form
    380,370.49/570,611.36 = 114,152.04/x
  3. Step 3: Cross multiply
    380,370.49x = 570,611.36 × 114,152.04
  4. Step 4: Simplify right side
    380,370.49x = 65,136,451,076.55
  5. Step 5: Solve for x
    x = 65,136,451,076.55/380,370.49
  6. Step 6: Final answer
    x = 171,244.76

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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.