Finding the Fourth Proportional to 273,603.06, 377,729.28 and 208,561.68
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Solution
The fourth proportional to 273,603.06, 377,729.28 and 208,561.68 is: 287,934.84
Step by Step Solution
- Step 1: Write the proportion equation
273,603.06 : 377,729.28 = 208,561.68 : x - Step 2: Convert to fraction form
273,603.06/377,729.28 = 208,561.68/x - Step 3: Cross multiply
273,603.06x = 377,729.28 × 208,561.68 - Step 4: Simplify right side
273,603.06x = 78,779,853,221.99 - Step 5: Solve for x
x = 78,779,853,221.99/273,603.06 - Step 6: Final answer
x = 287,934.84
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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.