Finding the Fourth Proportional to 218,230.36, 301,296.26 and 149,434.95
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Solution
The fourth proportional to 218,230.36, 301,296.26 and 149,434.95 is: 206,314.98
Step by Step Solution
- Step 1: Write the proportion equation
218,230.36 : 301,296.26 = 149,434.95 : x - Step 2: Convert to fraction form
218,230.36/301,296.26 = 149,434.95/x - Step 3: Cross multiply
218,230.36x = 301,296.26 × 149,434.95 - Step 4: Simplify right side
218,230.36x = 45,024,191,548.29 - Step 5: Solve for x
x = 45,024,191,548.29/218,230.36 - Step 6: Final answer
x = 206,314.98
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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.