Finding the Fourth Proportional to 218,350.14, 326,847.21 and 118,261.74
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Solution
The fourth proportional to 218,350.14, 326,847.21 and 118,261.74 is: 177,025.39
Step by Step Solution
- Step 1: Write the proportion equation
218,350.14 : 326,847.21 = 118,261.74 : x - Step 2: Convert to fraction form
218,350.14/326,847.21 = 118,261.74/x - Step 3: Cross multiply
218,350.14x = 326,847.21 × 118,261.74 - Step 4: Simplify right side
218,350.14x = 38,653,519,768.75 - Step 5: Solve for x
x = 38,653,519,768.75/218,350.14 - Step 6: Final answer
x = 177,025.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.