Finding the Fourth Proportional to 377,738.18, 521,278.77 and 205,656.15
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Solution
The fourth proportional to 377,738.18, 521,278.77 and 205,656.15 is: 283,805.54
Step by Step Solution
- Step 1: Write the proportion equation
377,738.18 : 521,278.77 = 205,656.15 : x - Step 2: Convert to fraction form
377,738.18/521,278.77 = 205,656.15/x - Step 3: Cross multiply
377,738.18x = 521,278.77 × 205,656.15 - Step 4: Simplify right side
377,738.18x = 107,204,184,914.94 - Step 5: Solve for x
x = 107,204,184,914.94/377,738.18 - Step 6: Final answer
x = 283,805.54
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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.