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Finding the Fourth Proportional to 219,331.77, 302,678.82 and 118,729.77

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Solution

The fourth proportional to 219,331.77, 302,678.82 and 118,729.77 is: 163,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,331.77 : 302,678.82 = 118,729.77 : x
  2. Step 2: Convert to fraction form
    219,331.77/302,678.82 = 118,729.77/x
  3. Step 3: Cross multiply
    219,331.77x = 302,678.82 × 118,729.77
  4. Step 4: Simplify right side
    219,331.77x = 35,936,986,682.47
  5. Step 5: Solve for x
    x = 35,936,986,682.47/219,331.77
  6. Step 6: Final answer
    x = 163,847.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.