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Finding the Fourth Proportional to 255,825.44, 383,818.08 and 87,349.76

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Solution

The fourth proportional to 255,825.44, 383,818.08 and 87,349.76 is: 131,051.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,825.44 : 383,818.08 = 87,349.76 : x
  2. Step 2: Convert to fraction form
    255,825.44/383,818.08 = 87,349.76/x
  3. Step 3: Cross multiply
    255,825.44x = 383,818.08 × 87,349.76
  4. Step 4: Simplify right side
    255,825.44x = 33,526,417,171.66
  5. Step 5: Solve for x
    x = 33,526,417,171.66/255,825.44
  6. Step 6: Final answer
    x = 131,051.93

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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.