Finding the Fourth Proportional to 242,237.81, 363,438.21 and 107,283.17
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Solution
The fourth proportional to 242,237.81, 363,438.21 and 107,283.17 is: 160,960.84
Step by Step Solution
- Step 1: Write the proportion equation
242,237.81 : 363,438.21 = 107,283.17 : x - Step 2: Convert to fraction form
242,237.81/363,438.21 = 107,283.17/x - Step 3: Cross multiply
242,237.81x = 363,438.21 × 107,283.17 - Step 4: Simplify right side
242,237.81x = 38,990,801,450.73 - Step 5: Solve for x
x = 38,990,801,450.73/242,237.81 - Step 6: Final answer
x = 160,960.84
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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.