Finding the Fourth Proportional to 232,439.40, 348,543.84 and 82,657.14
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Solution
The fourth proportional to 232,439.40, 348,543.84 and 82,657.14 is: 123,944.72
Step by Step Solution
- Step 1: Write the proportion equation
232,439.40 : 348,543.84 = 82,657.14 : x - Step 2: Convert to fraction form
232,439.40/348,543.84 = 82,657.14/x - Step 3: Cross multiply
232,439.40x = 348,543.84 × 82,657.14 - Step 4: Simplify right side
232,439.40x = 28,809,636,979.02 - Step 5: Solve for x
x = 28,809,636,979.02/232,439.40 - Step 6: Final answer
x = 123,944.72
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1.5x scale
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.