Finding the Fourth Proportional to 288,093.74, 397,532.68 and 160,774.70
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Solution
The fourth proportional to 288,093.74, 397,532.68 and 160,774.70 is: 221,848.61
Step by Step Solution
- Step 1: Write the proportion equation
288,093.74 : 397,532.68 = 160,774.70 : x - Step 2: Convert to fraction form
288,093.74/397,532.68 = 160,774.70/x - Step 3: Cross multiply
288,093.74x = 397,532.68 × 160,774.70 - Step 4: Simplify right side
288,093.74x = 63,913,194,575.66 - Step 5: Solve for x
x = 63,913,194,575.66/288,093.74 - Step 6: Final answer
x = 221,848.61
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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.