Finding the Fourth Proportional to 128,862.47, 193,247.37 and 44,599.77
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Solution
The fourth proportional to 128,862.47, 193,247.37 and 44,599.77 is: 66,883.62
Step by Step Solution
- Step 1: Write the proportion equation
128,862.47 : 193,247.37 = 44,599.77 : x - Step 2: Convert to fraction form
128,862.47/193,247.37 = 44,599.77/x - Step 3: Cross multiply
128,862.47x = 193,247.37 × 44,599.77 - Step 4: Simplify right side
128,862.47x = 8,618,788,255.10 - Step 5: Solve for x
x = 8,618,788,255.10/128,862.47 - Step 6: Final answer
x = 66,883.62
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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.