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Finding the Fourth Proportional to 218,883.69, 302,059.62 and 118,281.69

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Solution

The fourth proportional to 218,883.69, 302,059.62 and 118,281.69 is: 163,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,883.69 : 302,059.62 = 118,281.69 : x
  2. Step 2: Convert to fraction form
    218,883.69/302,059.62 = 118,281.69/x
  3. Step 3: Cross multiply
    218,883.69x = 302,059.62 × 118,281.69
  4. Step 4: Simplify right side
    218,883.69x = 35,728,122,334.36
  5. Step 5: Solve for x
    x = 35,728,122,334.36/218,883.69
  6. Step 6: Final answer
    x = 163,228.80

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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.