Finding the Fourth Proportional to 372,638.46, 514,237.82 and 202,872.18
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Solution
The fourth proportional to 372,638.46, 514,237.82 and 202,872.18 is: 279,961.84
Step by Step Solution
- Step 1: Write the proportion equation
372,638.46 : 514,237.82 = 202,872.18 : x - Step 2: Convert to fraction form
372,638.46/514,237.82 = 202,872.18/x - Step 3: Cross multiply
372,638.46x = 514,237.82 × 202,872.18 - Step 4: Simplify right side
372,638.46x = 104,324,547,581.85 - Step 5: Solve for x
x = 104,324,547,581.85/372,638.46 - Step 6: Final answer
x = 279,961.84
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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.