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Finding the Fourth Proportional to 219,022.62, 302,251.22 and 118,420.62

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Solution

The fourth proportional to 219,022.62, 302,251.22 and 118,420.62 is: 163,420.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,022.62 : 302,251.22 = 118,420.62 : x
  2. Step 2: Convert to fraction form
    219,022.62/302,251.22 = 118,420.62/x
  3. Step 3: Cross multiply
    219,022.62x = 302,251.22 × 118,420.62
  4. Step 4: Simplify right side
    219,022.62x = 35,792,776,868.16
  5. Step 5: Solve for x
    x = 35,792,776,868.16/219,022.62
  6. Step 6: Final answer
    x = 163,420.46

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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.