Finding the Fourth Proportional to 235,694.24, 353,495.28 and 87,920.80
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Solution
The fourth proportional to 235,694.24, 353,495.28 and 87,920.80 is: 131,864.01
Step by Step Solution
- Step 1: Write the proportion equation
235,694.24 : 353,495.28 = 87,920.80 : x - Step 2: Convert to fraction form
235,694.24/353,495.28 = 87,920.80/x - Step 3: Cross multiply
235,694.24x = 353,495.28 × 87,920.80 - Step 4: Simplify right side
235,694.24x = 31,079,587,813.82 - Step 5: Solve for x
x = 31,079,587,813.82/235,694.24 - Step 6: Final answer
x = 131,864.01
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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.