Finding the Fourth Proportional to 199,115.24, 298,716.56 and 146,364.80
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Solution
The fourth proportional to 199,115.24, 298,716.56 and 146,364.80 is: 219,579.32
Step by Step Solution
- Step 1: Write the proportion equation
199,115.24 : 298,716.56 = 146,364.80 : x - Step 2: Convert to fraction form
199,115.24/298,716.56 = 146,364.80/x - Step 3: Cross multiply
199,115.24x = 298,716.56 × 146,364.80 - Step 4: Simplify right side
199,115.24x = 43,721,589,561.09 - Step 5: Solve for x
x = 43,721,589,561.09/199,115.24 - Step 6: Final answer
x = 219,579.32
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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.