Finding the Fourth Proportional to 199,646.96, 275,518.82 and 113,618.28
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Solution
The fourth proportional to 199,646.96, 275,518.82 and 113,618.28 is: 156,796.65
Step by Step Solution
- Step 1: Write the proportion equation
199,646.96 : 275,518.82 = 113,618.28 : x - Step 2: Convert to fraction form
199,646.96/275,518.82 = 113,618.28/x - Step 3: Cross multiply
199,646.96x = 275,518.82 × 113,618.28 - Step 4: Simplify right side
199,646.96x = 31,303,974,436.03 - Step 5: Solve for x
x = 31,303,974,436.03/199,646.96 - Step 6: Final answer
x = 156,796.65
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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.