Finding the Fourth Proportional to 373,163.25, 514,965.65 and 203,398.05
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Solution
The fourth proportional to 373,163.25, 514,965.65 and 203,398.05 is: 280,689.51
Step by Step Solution
- Step 1: Write the proportion equation
373,163.25 : 514,965.65 = 203,398.05 : x - Step 2: Convert to fraction form
373,163.25/514,965.65 = 203,398.05/x - Step 3: Cross multiply
373,163.25x = 514,965.65 × 203,398.05 - Step 4: Simplify right side
373,163.25x = 104,743,008,009.99 - Step 5: Solve for x
x = 104,743,008,009.99/373,163.25 - Step 6: Final answer
x = 280,689.51
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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.