Finding the Fourth Proportional to 288,115.14, 397,582.82 and 160,798.94
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Solution
The fourth proportional to 288,115.14, 397,582.82 and 160,798.94 is: 221,893.56
Step by Step Solution
- Step 1: Write the proportion equation
288,115.14 : 397,582.82 = 160,798.94 : x - Step 2: Convert to fraction form
288,115.14/397,582.82 = 160,798.94/x - Step 3: Cross multiply
288,115.14x = 397,582.82 × 160,798.94 - Step 4: Simplify right side
288,115.14x = 63,930,893,226.30 - Step 5: Solve for x
x = 63,930,893,226.30/288,115.14 - Step 6: Final answer
x = 221,893.56
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1.5x scale
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.