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Finding the Fourth Proportional to 255,984.94, 383,666.12 and 181,126.67

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Solution

The fourth proportional to 255,984.94, 383,666.12 and 181,126.67 is: 271,469.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,984.94 : 383,666.12 = 181,126.67 : x
  2. Step 2: Convert to fraction form
    255,984.94/383,666.12 = 181,126.67/x
  3. Step 3: Cross multiply
    255,984.94x = 383,666.12 × 181,126.67
  4. Step 4: Simplify right side
    255,984.94x = 69,492,164,562.68
  5. Step 5: Solve for x
    x = 69,492,164,562.68/255,984.94
  6. Step 6: Final answer
    x = 271,469.74

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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.