Finding the Fourth Proportional to 163,194.75, 245,167.36 and 115,924.77
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Solution
The fourth proportional to 163,194.75, 245,167.36 and 115,924.77 is: 174,153.70
Step by Step Solution
- Step 1: Write the proportion equation
163,194.75 : 245,167.36 = 115,924.77 : x - Step 2: Convert to fraction form
163,194.75/245,167.36 = 115,924.77/x - Step 3: Cross multiply
163,194.75x = 245,167.36 × 115,924.77 - Step 4: Simplify right side
163,194.75x = 28,420,969,529.70 - Step 5: Solve for x
x = 28,420,969,529.70/163,194.75 - Step 6: Final answer
x = 174,153.70
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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.