Finding the Fourth Proportional to 163,489.88, 244,879.91 and 79,073.02
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Solution
The fourth proportional to 163,489.88, 244,879.91 and 79,073.02 is: 118,437.88
Step by Step Solution
- Step 1: Write the proportion equation
163,489.88 : 244,879.91 = 79,073.02 : x - Step 2: Convert to fraction form
163,489.88/244,879.91 = 79,073.02/x - Step 3: Cross multiply
163,489.88x = 244,879.91 × 79,073.02 - Step 4: Simplify right side
163,489.88x = 19,363,394,906.24 - Step 5: Solve for x
x = 19,363,394,906.24/163,489.88 - Step 6: Final answer
x = 118,437.88
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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.