Finding the Fourth Proportional to 108,693.96, 163,045.80 and 29,806.44
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Solution
The fourth proportional to 108,693.96, 163,045.80 and 29,806.44 is: 44,710.99
Step by Step Solution
- Step 1: Write the proportion equation
108,693.96 : 163,045.80 = 29,806.44 : x - Step 2: Convert to fraction form
108,693.96/163,045.80 = 29,806.44/x - Step 3: Cross multiply
108,693.96x = 163,045.80 × 29,806.44 - Step 4: Simplify right side
108,693.96x = 4,859,814,854.95 - Step 5: Solve for x
x = 4,859,814,854.95/108,693.96 - Step 6: Final answer
x = 44,710.99
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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.