Finding the Fourth Proportional to 121,611.06, 182,261.07 and 51,393.78
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Solution
The fourth proportional to 121,611.06, 182,261.07 and 51,393.78 is: 77,024.95
Step by Step Solution
- Step 1: Write the proportion equation
121,611.06 : 182,261.07 = 51,393.78 : x - Step 2: Convert to fraction form
121,611.06/182,261.07 = 51,393.78/x - Step 3: Cross multiply
121,611.06x = 182,261.07 × 51,393.78 - Step 4: Simplify right side
121,611.06x = 9,367,085,334.14 - Step 5: Solve for x
x = 9,367,085,334.14/121,611.06 - Step 6: Final answer
x = 77,024.95
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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.