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Finding the Fourth Proportional to 218,774.34, 301,908.60 and 118,172.34

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Solution

The fourth proportional to 218,774.34, 301,908.60 and 118,172.34 is: 163,077.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,774.34 : 301,908.60 = 118,172.34 : x
  2. Step 2: Convert to fraction form
    218,774.34/301,908.60 = 118,172.34/x
  3. Step 3: Cross multiply
    218,774.34x = 301,908.60 × 118,172.34
  4. Step 4: Simplify right side
    218,774.34x = 35,677,245,728.12
  5. Step 5: Solve for x
    x = 35,677,245,728.12/218,774.34
  6. Step 6: Final answer
    x = 163,077.84

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1.5x scale

Why These Related Problems?

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