Finding the Fourth Proportional to 108,668.68, 163,001.70 and 29,782.84
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Solution
The fourth proportional to 108,668.68, 163,001.70 and 29,782.84 is: 44,673.90
Step by Step Solution
- Step 1: Write the proportion equation
108,668.68 : 163,001.70 = 29,782.84 : x - Step 2: Convert to fraction form
108,668.68/163,001.70 = 29,782.84/x - Step 3: Cross multiply
108,668.68x = 163,001.70 × 29,782.84 - Step 4: Simplify right side
108,668.68x = 4,854,653,550.83 - Step 5: Solve for x
x = 4,854,653,550.83/108,668.68 - Step 6: Final answer
x = 44,673.90
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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.