Finding the Fourth Proportional to 219,540.63, 302,942.88 and 124,028.88
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Solution
The fourth proportional to 219,540.63, 302,942.88 and 124,028.88 is: 171,146.75
Step by Step Solution
- Step 1: Write the proportion equation
219,540.63 : 302,942.88 = 124,028.88 : x - Step 2: Convert to fraction form
219,540.63/302,942.88 = 124,028.88/x - Step 3: Cross multiply
219,540.63x = 302,942.88 × 124,028.88 - Step 4: Simplify right side
219,540.63x = 37,573,666,110.37 - Step 5: Solve for x
x = 37,573,666,110.37/219,540.63 - Step 6: Final answer
x = 171,146.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.