Finding the Fourth Proportional to 168,435.68, 232,437.47 and 91,951.81
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Solution
The fourth proportional to 168,435.68, 232,437.47 and 91,951.81 is: 126,891.44
Step by Step Solution
- Step 1: Write the proportion equation
168,435.68 : 232,437.47 = 91,951.81 : x - Step 2: Convert to fraction form
168,435.68/232,437.47 = 91,951.81/x - Step 3: Cross multiply
168,435.68x = 232,437.47 × 91,951.81 - Step 4: Simplify right side
168,435.68x = 21,373,045,813.31 - Step 5: Solve for x
x = 21,373,045,813.31/168,435.68 - Step 6: Final answer
x = 126,891.44
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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.