Finding the Fourth Proportional to 199,945.68, 275,916.66 and 118,326.84
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Solution
The fourth proportional to 199,945.68, 275,916.66 and 118,326.84 is: 163,286.08
Step by Step Solution
- Step 1: Write the proportion equation
199,945.68 : 275,916.66 = 118,326.84 : x - Step 2: Convert to fraction form
199,945.68/275,916.66 = 118,326.84/x - Step 3: Cross multiply
199,945.68x = 275,916.66 × 118,326.84 - Step 4: Simplify right side
199,945.68x = 32,648,346,481.15 - Step 5: Solve for x
x = 32,648,346,481.15/199,945.68 - Step 6: Final answer
x = 163,286.08
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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.