Finding the Fourth Proportional to 136,976.47, 205,519.19 and 52,714.01
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Solution
The fourth proportional to 136,976.47, 205,519.19 and 52,714.01 is: 79,091.99
Step by Step Solution
- Step 1: Write the proportion equation
136,976.47 : 205,519.19 = 52,714.01 : x - Step 2: Convert to fraction form
136,976.47/205,519.19 = 52,714.01/x - Step 3: Cross multiply
136,976.47x = 205,519.19 × 52,714.01 - Step 4: Simplify right side
136,976.47x = 10,833,740,887.08 - Step 5: Solve for x
x = 10,833,740,887.08/136,976.47 - Step 6: Final answer
x = 79,091.99
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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.