Finding the Fourth Proportional to 384,241.68, 530,236.44 and 214,471.92
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Solution
The fourth proportional to 384,241.68, 530,236.44 and 214,471.92 is: 295,961.72
Step by Step Solution
- Step 1: Write the proportion equation
384,241.68 : 530,236.44 = 214,471.92 : x - Step 2: Convert to fraction form
384,241.68/530,236.44 = 214,471.92/x - Step 3: Cross multiply
384,241.68x = 530,236.44 × 214,471.92 - Step 4: Simplify right side
384,241.68x = 113,720,827,340.77 - Step 5: Solve for x
x = 113,720,827,340.77/384,241.68 - Step 6: Final answer
x = 295,961.72
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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.