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Finding the Fourth Proportional to 218,776.34, 301,911.36 and 118,174.34

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Solution

The fourth proportional to 218,776.34, 301,911.36 and 118,174.34 is: 163,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,776.34 : 301,911.36 = 118,174.34 : x
  2. Step 2: Convert to fraction form
    218,776.34/301,911.36 = 118,174.34/x
  3. Step 3: Cross multiply
    218,776.34x = 301,911.36 × 118,174.34
  4. Step 4: Simplify right side
    218,776.34x = 35,678,175,706.50
  5. Step 5: Solve for x
    x = 35,678,175,706.50/218,776.34
  6. Step 6: Final answer
    x = 163,080.60

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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.