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Finding the Fourth Proportional to 255,883.40, 384,170.70 and 162,571.40

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Solution

The fourth proportional to 255,883.40, 384,170.70 and 162,571.40 is: 244,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,883.40 : 384,170.70 = 162,571.40 : x
  2. Step 2: Convert to fraction form
    255,883.40/384,170.70 = 162,571.40/x
  3. Step 3: Cross multiply
    255,883.40x = 384,170.70 × 162,571.40
  4. Step 4: Simplify right side
    255,883.40x = 62,455,168,537.98
  5. Step 5: Solve for x
    x = 62,455,168,537.98/255,883.40
  6. Step 6: Final answer
    x = 244,076.67

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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.