Finding the Fourth Proportional to 122,443.62, 183,594.07 and 47,476.19
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Solution
The fourth proportional to 122,443.62, 183,594.07 and 47,476.19 is: 71,186.62
Step by Step Solution
- Step 1: Write the proportion equation
122,443.62 : 183,594.07 = 47,476.19 : x - Step 2: Convert to fraction form
122,443.62/183,594.07 = 47,476.19/x - Step 3: Cross multiply
122,443.62x = 183,594.07 × 47,476.19 - Step 4: Simplify right side
122,443.62x = 8,716,346,950.19 - Step 5: Solve for x
x = 8,716,346,950.19/122,443.62 - Step 6: Final answer
x = 71,186.62
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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.