Finding the Fourth Proportional to 147,052.88, 220,612.12 and 53,558.63
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Solution
The fourth proportional to 147,052.88, 220,612.12 and 53,558.63 is: 80,349.89
Step by Step Solution
- Step 1: Write the proportion equation
147,052.88 : 220,612.12 = 53,558.63 : x - Step 2: Convert to fraction form
147,052.88/220,612.12 = 53,558.63/x - Step 3: Cross multiply
147,052.88x = 220,612.12 × 53,558.63 - Step 4: Simplify right side
147,052.88x = 11,815,681,805.54 - Step 5: Solve for x
x = 11,815,681,805.54/147,052.88 - Step 6: Final answer
x = 80,349.89
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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.