Finding the Fourth Proportional to 121,922.88, 182,728.32 and 62,747.52
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Solution
The fourth proportional to 121,922.88, 182,728.32 and 62,747.52 is: 94,040.99
Step by Step Solution
- Step 1: Write the proportion equation
121,922.88 : 182,728.32 = 62,747.52 : x - Step 2: Convert to fraction form
121,922.88/182,728.32 = 62,747.52/x - Step 3: Cross multiply
121,922.88x = 182,728.32 × 62,747.52 - Step 4: Simplify right side
121,922.88x = 11,465,748,913.77 - Step 5: Solve for x
x = 11,465,748,913.77/121,922.88 - Step 6: Final answer
x = 94,040.99
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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.