Finding the Fourth Proportional to 242,390.19, 363,463.62 and 141,220.96
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Solution
The fourth proportional to 242,390.19, 363,463.62 and 141,220.96 is: 211,760.56
Step by Step Solution
- Step 1: Write the proportion equation
242,390.19 : 363,463.62 = 141,220.96 : x - Step 2: Convert to fraction form
242,390.19/363,463.62 = 141,220.96/x - Step 3: Cross multiply
242,390.19x = 363,463.62 × 141,220.96 - Step 4: Simplify right side
242,390.19x = 51,328,681,341.48 - Step 5: Solve for x
x = 51,328,681,341.48/242,390.19 - Step 6: Final answer
x = 211,760.56
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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.