Finding the Fourth Proportional to 215,794.73, 297,790.98 and 125,145.02
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Solution
The fourth proportional to 215,794.73, 297,790.98 and 125,145.02 is: 172,696.79
Step by Step Solution
- Step 1: Write the proportion equation
215,794.73 : 297,790.98 = 125,145.02 : x - Step 2: Convert to fraction form
215,794.73/297,790.98 = 125,145.02/x - Step 3: Cross multiply
215,794.73x = 297,790.98 × 125,145.02 - Step 4: Simplify right side
215,794.73x = 37,267,058,147.92 - Step 5: Solve for x
x = 37,267,058,147.92/215,794.73 - Step 6: Final answer
x = 172,696.79
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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.