Finding the Fourth Proportional to 311,717.03, 430,169.60 and 168,477.08
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Solution
The fourth proportional to 311,717.03, 430,169.60 and 168,477.08 is: 232,498.42
Step by Step Solution
- Step 1: Write the proportion equation
311,717.03 : 430,169.60 = 168,477.08 : x - Step 2: Convert to fraction form
311,717.03/430,169.60 = 168,477.08/x - Step 3: Cross multiply
311,717.03x = 430,169.60 × 168,477.08 - Step 4: Simplify right side
311,717.03x = 72,473,718,112.77 - Step 5: Solve for x
x = 72,473,718,112.77/311,717.03 - Step 6: Final answer
x = 232,498.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.