Finding the Fourth Proportional to 133,218.18, 199,969.50 and 57,354.26
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Solution
The fourth proportional to 133,218.18, 199,969.50 and 57,354.26 is: 86,092.62
Step by Step Solution
- Step 1: Write the proportion equation
133,218.18 : 199,969.50 = 57,354.26 : x - Step 2: Convert to fraction form
133,218.18/199,969.50 = 57,354.26/x - Step 3: Cross multiply
133,218.18x = 199,969.50 × 57,354.26 - Step 4: Simplify right side
133,218.18x = 11,469,101,695.22 - Step 5: Solve for x
x = 11,469,101,695.22/133,218.18 - Step 6: Final answer
x = 86,092.62
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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.