Finding the Fourth Proportional to 252,588.11, 378,554.09 and 102,653.91
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Solution
The fourth proportional to 252,588.11, 378,554.09 and 102,653.91 is: 153,847.54
Step by Step Solution
- Step 1: Write the proportion equation
252,588.11 : 378,554.09 = 102,653.91 : x - Step 2: Convert to fraction form
252,588.11/378,554.09 = 102,653.91/x - Step 3: Cross multiply
252,588.11x = 378,554.09 × 102,653.91 - Step 4: Simplify right side
252,588.11x = 38,860,057,741.63 - Step 5: Solve for x
x = 38,860,057,741.63/252,588.11 - Step 6: Final answer
x = 153,847.54
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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.