Finding the Fourth Proportional to 218,229.36, 301,294.88 and 149,433.95
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Solution
The fourth proportional to 218,229.36, 301,294.88 and 149,433.95 is: 206,313.59
Step by Step Solution
- Step 1: Write the proportion equation
218,229.36 : 301,294.88 = 149,433.95 : x - Step 2: Convert to fraction form
218,229.36/301,294.88 = 149,433.95/x - Step 3: Cross multiply
218,229.36x = 301,294.88 × 149,433.95 - Step 4: Simplify right side
218,229.36x = 45,023,681,779.53 - Step 5: Solve for x
x = 45,023,681,779.53/218,229.36 - Step 6: Final answer
x = 206,313.59
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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.