Finding the Fourth Proportional to 242,745.24, 335,131.95 and 215,813.23
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Solution
The fourth proportional to 242,745.24, 335,131.95 and 215,813.23 is: 297,949.85
Step by Step Solution
- Step 1: Write the proportion equation
242,745.24 : 335,131.95 = 215,813.23 : x - Step 2: Convert to fraction form
242,745.24/335,131.95 = 215,813.23/x - Step 3: Cross multiply
242,745.24x = 335,131.95 × 215,813.23 - Step 4: Simplify right side
242,745.24x = 72,325,908,577.17 - Step 5: Solve for x
x = 72,325,908,577.17/242,745.24 - Step 6: Final answer
x = 297,949.85
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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.