Finding the Fourth Proportional to 175,341.29, 263,011.91 and 80,651.09
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Solution
The fourth proportional to 175,341.29, 263,011.91 and 80,651.09 is: 120,976.63
Step by Step Solution
- Step 1: Write the proportion equation
175,341.29 : 263,011.91 = 80,651.09 : x - Step 2: Convert to fraction form
175,341.29/263,011.91 = 80,651.09/x - Step 3: Cross multiply
175,341.29x = 263,011.91 × 80,651.09 - Step 4: Simplify right side
175,341.29x = 21,212,197,478.76 - Step 5: Solve for x
x = 21,212,197,478.76/175,341.29 - Step 6: Final answer
x = 120,976.63
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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.