Finding the Fourth Proportional to 288,167.14, 397,623.09 and 160,842.70
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Solution
The fourth proportional to 288,167.14, 397,623.09 and 160,842.70 is: 221,936.38
Step by Step Solution
- Step 1: Write the proportion equation
288,167.14 : 397,623.09 = 160,842.70 : x - Step 2: Convert to fraction form
288,167.14/397,623.09 = 160,842.70/x - Step 3: Cross multiply
288,167.14x = 397,623.09 × 160,842.70 - Step 4: Simplify right side
288,167.14x = 63,954,771,377.94 - Step 5: Solve for x
x = 63,954,771,377.94/288,167.14 - Step 6: Final answer
x = 221,936.38
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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.