Finding the Fourth Proportional to 122,515.25, 183,725.28 and 47,625.48
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Solution
The fourth proportional to 122,515.25, 183,725.28 and 47,625.48 is: 71,419.72
Step by Step Solution
- Step 1: Write the proportion equation
122,515.25 : 183,725.28 = 47,625.48 : x - Step 2: Convert to fraction form
122,515.25/183,725.28 = 47,625.48/x - Step 3: Cross multiply
122,515.25x = 183,725.28 × 47,625.48 - Step 4: Simplify right side
122,515.25x = 8,750,004,648.13 - Step 5: Solve for x
x = 8,750,004,648.13/122,515.25 - Step 6: Final answer
x = 71,419.72
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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.