Finding the Fourth Proportional to 165,857.83, 248,715.66 and 77,102.08
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Solution
The fourth proportional to 165,857.83, 248,715.66 and 77,102.08 is: 115,620.07
Step by Step Solution
- Step 1: Write the proportion equation
165,857.83 : 248,715.66 = 77,102.08 : x - Step 2: Convert to fraction form
165,857.83/248,715.66 = 77,102.08/x - Step 3: Cross multiply
165,857.83x = 248,715.66 × 77,102.08 - Step 4: Simplify right side
165,857.83x = 19,176,494,714.57 - Step 5: Solve for x
x = 19,176,494,714.57/165,857.83 - Step 6: Final answer
x = 115,620.07
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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.