Finding the Fourth Proportional to 191,538.73, 264,321.02 and 105,495.99
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Solution
The fourth proportional to 191,538.73, 264,321.02 and 105,495.99 is: 145,583.13
Step by Step Solution
- Step 1: Write the proportion equation
191,538.73 : 264,321.02 = 105,495.99 : x - Step 2: Convert to fraction form
191,538.73/264,321.02 = 105,495.99/x - Step 3: Cross multiply
191,538.73x = 264,321.02 × 105,495.99 - Step 4: Simplify right side
191,538.73x = 27,884,807,946.45 - Step 5: Solve for x
x = 27,884,807,946.45/191,538.73 - Step 6: Final answer
x = 145,583.13
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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.