Finding the Fourth Proportional to 218,282.44, 301,227.60 and 121,484.68
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Solution
The fourth proportional to 218,282.44, 301,227.60 and 121,484.68 is: 167,647.65
Step by Step Solution
- Step 1: Write the proportion equation
218,282.44 : 301,227.60 = 121,484.68 : x - Step 2: Convert to fraction form
218,282.44/301,227.60 = 121,484.68/x - Step 3: Cross multiply
218,282.44x = 301,227.60 × 121,484.68 - Step 4: Simplify right side
218,282.44x = 36,594,538,593.17 - Step 5: Solve for x
x = 36,594,538,593.17/218,282.44 - Step 6: Final answer
x = 167,647.65
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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.