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Finding the Fourth Proportional to 368,051.29, 552,077.13 and 115,351.47

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Solution

The fourth proportional to 368,051.29, 552,077.13 and 115,351.47 is: 173,027.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,051.29 : 552,077.13 = 115,351.47 : x
  2. Step 2: Convert to fraction form
    368,051.29/552,077.13 = 115,351.47/x
  3. Step 3: Cross multiply
    368,051.29x = 552,077.13 × 115,351.47
  4. Step 4: Simplify right side
    368,051.29x = 63,682,908,498.88
  5. Step 5: Solve for x
    x = 63,682,908,498.88/368,051.29
  6. Step 6: Final answer
    x = 173,027.27

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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.