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Finding the Fourth Proportional to 218,852.45, 302,016.29 and 118,250.45

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Solution

The fourth proportional to 218,852.45, 302,016.29 and 118,250.45 is: 163,185.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,852.45 : 302,016.29 = 118,250.45 : x
  2. Step 2: Convert to fraction form
    218,852.45/302,016.29 = 118,250.45/x
  3. Step 3: Cross multiply
    218,852.45x = 302,016.29 × 118,250.45
  4. Step 4: Simplify right side
    218,852.45x = 35,713,560,098.50
  5. Step 5: Solve for x
    x = 35,713,560,098.50/218,852.45
  6. Step 6: Final answer
    x = 163,185.57

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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.