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Finding the Fourth Proportional to 356,292.06, 534,051.72 and 178,369.98

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Solution

The fourth proportional to 356,292.06, 534,051.72 and 178,369.98 is: 267,361.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,292.06 : 534,051.72 = 178,369.98 : x
  2. Step 2: Convert to fraction form
    356,292.06/534,051.72 = 178,369.98/x
  3. Step 3: Cross multiply
    356,292.06x = 534,051.72 × 178,369.98
  4. Step 4: Simplify right side
    356,292.06x = 95,258,794,615.37
  5. Step 5: Solve for x
    x = 95,258,794,615.37/356,292.06
  6. Step 6: Final answer
    x = 267,361.54

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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.