Finding the Fourth Proportional to 122,292.88, 183,491.32 and 66,824.08
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Solution
The fourth proportional to 122,292.88, 183,491.32 and 66,824.08 is: 100,264.53
Step by Step Solution
- Step 1: Write the proportion equation
122,292.88 : 183,491.32 = 66,824.08 : x - Step 2: Convert to fraction form
122,292.88/183,491.32 = 66,824.08/x - Step 3: Cross multiply
122,292.88x = 183,491.32 × 66,824.08 - Step 4: Simplify right side
122,292.88x = 12,261,638,646.99 - Step 5: Solve for x
x = 12,261,638,646.99/122,292.88 - Step 6: Final answer
x = 100,264.53
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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.