Finding the Fourth Proportional to 377,887.37, 521,460.63 and 208,121.49
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Solution
The fourth proportional to 377,887.37, 521,460.63 and 208,121.49 is: 287,194.47
Step by Step Solution
- Step 1: Write the proportion equation
377,887.37 : 521,460.63 = 208,121.49 : x - Step 2: Convert to fraction form
377,887.37/521,460.63 = 208,121.49/x - Step 3: Cross multiply
377,887.37x = 521,460.63 × 208,121.49 - Step 4: Simplify right side
377,887.37x = 108,527,163,291.94 - Step 5: Solve for x
x = 108,527,163,291.94/377,887.37 - Step 6: Final answer
x = 287,194.47
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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.