Finding the Fourth Proportional to 220,114.44, 330,220.62 and 79,869.96
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Solution
The fourth proportional to 220,114.44, 330,220.62 and 79,869.96 is: 119,822.71
Step by Step Solution
- Step 1: Write the proportion equation
220,114.44 : 330,220.62 = 79,869.96 : x - Step 2: Convert to fraction form
220,114.44/330,220.62 = 79,869.96/x - Step 3: Cross multiply
220,114.44x = 330,220.62 × 79,869.96 - Step 4: Simplify right side
220,114.44x = 26,374,707,710.58 - Step 5: Solve for x
x = 26,374,707,710.58/220,114.44 - Step 6: Final answer
x = 119,822.71
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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.