Finding the Fourth Proportional to 104,691.12, 144,466.92 and 62,252.88
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Solution
The fourth proportional to 104,691.12, 144,466.92 and 62,252.88 is: 85,904.92
Step by Step Solution
- Step 1: Write the proportion equation
104,691.12 : 144,466.92 = 62,252.88 : x - Step 2: Convert to fraction form
104,691.12/144,466.92 = 62,252.88/x - Step 3: Cross multiply
104,691.12x = 144,466.92 × 62,252.88 - Step 4: Simplify right side
104,691.12x = 8,993,481,834.73 - Step 5: Solve for x
x = 8,993,481,834.73/104,691.12 - Step 6: Final answer
x = 85,904.92
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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.