Finding the Fourth Proportional to 122,243.26, 183,329.31 and 47,346.70
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Solution
The fourth proportional to 122,243.26, 183,329.31 and 47,346.70 is: 71,006.26
Step by Step Solution
- Step 1: Write the proportion equation
122,243.26 : 183,329.31 = 47,346.70 : x - Step 2: Convert to fraction form
122,243.26/183,329.31 = 47,346.70/x - Step 3: Cross multiply
122,243.26x = 183,329.31 × 47,346.70 - Step 4: Simplify right side
122,243.26x = 8,680,036,925.13 - Step 5: Solve for x
x = 8,680,036,925.13/122,243.26 - Step 6: Final answer
x = 71,006.26
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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.