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Finding the Fourth Proportional to 255,900.47, 383,391.02 and 150,662.03

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Solution

The fourth proportional to 255,900.47, 383,391.02 and 150,662.03 is: 225,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,900.47 : 383,391.02 = 150,662.03 : x
  2. Step 2: Convert to fraction form
    255,900.47/383,391.02 = 150,662.03/x
  3. Step 3: Cross multiply
    255,900.47x = 383,391.02 × 150,662.03
  4. Step 4: Simplify right side
    255,900.47x = 57,762,467,816.67
  5. Step 5: Solve for x
    x = 57,762,467,816.67/255,900.47
  6. Step 6: Final answer
    x = 225,722.40

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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.