Finding the Fourth Proportional to 221,925.88, 306,171.66 and 141,338.98
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Solution
The fourth proportional to 221,925.88, 306,171.66 and 141,338.98 is: 194,992.99
Step by Step Solution
- Step 1: Write the proportion equation
221,925.88 : 306,171.66 = 141,338.98 : x - Step 2: Convert to fraction form
221,925.88/306,171.66 = 141,338.98/x - Step 3: Cross multiply
221,925.88x = 306,171.66 × 141,338.98 - Step 4: Simplify right side
221,925.88x = 43,273,990,129.31 - Step 5: Solve for x
x = 43,273,990,129.31/221,925.88 - Step 6: Final answer
x = 194,992.99
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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.