Finding the Fourth Proportional to 122,379.66, 183,492.99 and 51,283.08
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Solution
The fourth proportional to 122,379.66, 183,492.99 and 51,283.08 is: 76,892.56
Step by Step Solution
- Step 1: Write the proportion equation
122,379.66 : 183,492.99 = 51,283.08 : x - Step 2: Convert to fraction form
122,379.66/183,492.99 = 51,283.08/x - Step 3: Cross multiply
122,379.66x = 183,492.99 × 51,283.08 - Step 4: Simplify right side
122,379.66x = 9,410,085,685.61 - Step 5: Solve for x
x = 9,410,085,685.61/122,379.66 - Step 6: Final answer
x = 76,892.56
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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.