Finding the Fourth Proportional to 147,757.77, 203,855.13 and 84,079.62
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Solution
The fourth proportional to 147,757.77, 203,855.13 and 84,079.62 is: 116,001.09
Step by Step Solution
- Step 1: Write the proportion equation
147,757.77 : 203,855.13 = 84,079.62 : x - Step 2: Convert to fraction form
147,757.77/203,855.13 = 84,079.62/x - Step 3: Cross multiply
147,757.77x = 203,855.13 × 84,079.62 - Step 4: Simplify right side
147,757.77x = 17,140,061,865.45 - Step 5: Solve for x
x = 17,140,061,865.45/147,757.77 - Step 6: Final answer
x = 116,001.09
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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.