Finding the Fourth Proportional to 490,180.57, 676,435.67 and 272,383.62
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Solution
The fourth proportional to 490,180.57, 676,435.67 and 272,383.62 is: 375,881.88
Step by Step Solution
- Step 1: Write the proportion equation
490,180.57 : 676,435.67 = 272,383.62 : x - Step 2: Convert to fraction form
490,180.57/676,435.67 = 272,383.62/x - Step 3: Cross multiply
490,180.57x = 676,435.67 × 272,383.62 - Step 4: Simplify right side
490,180.57x = 184,249,993,614.61 - Step 5: Solve for x
x = 184,249,993,614.61/490,180.57 - Step 6: Final answer
x = 375,881.88
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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.