Finding the Fourth Proportional to 146,722.59, 220,147.07 and 79,241.09
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Solution
The fourth proportional to 146,722.59, 220,147.07 and 79,241.09 is: 118,895.75
Step by Step Solution
- Step 1: Write the proportion equation
146,722.59 : 220,147.07 = 79,241.09 : x - Step 2: Convert to fraction form
146,722.59/220,147.07 = 79,241.09/x - Step 3: Cross multiply
146,722.59x = 220,147.07 × 79,241.09 - Step 4: Simplify right side
146,722.59x = 17,444,692,290.17 - Step 5: Solve for x
x = 17,444,692,290.17/146,722.59 - Step 6: Final answer
x = 118,895.75
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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.