Finding the Fourth Proportional to 203,072.24, 304,261.68 and 143,809.40
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Solution
The fourth proportional to 203,072.24, 304,261.68 and 143,809.40 is: 215,468.59
Step by Step Solution
- Step 1: Write the proportion equation
203,072.24 : 304,261.68 = 143,809.40 : x - Step 2: Convert to fraction form
203,072.24/304,261.68 = 143,809.40/x - Step 3: Cross multiply
203,072.24x = 304,261.68 × 143,809.40 - Step 4: Simplify right side
203,072.24x = 43,755,689,643.79 - Step 5: Solve for x
x = 43,755,689,643.79/203,072.24 - Step 6: Final answer
x = 215,468.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.