Finding the Fourth Proportional to 288,193.71, 397,705.79 and 167,364.70
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Solution
The fourth proportional to 288,193.71, 397,705.79 and 167,364.70 is: 230,962.39
Step by Step Solution
- Step 1: Write the proportion equation
288,193.71 : 397,705.79 = 167,364.70 : x - Step 2: Convert to fraction form
288,193.71/397,705.79 = 167,364.70/x - Step 3: Cross multiply
288,193.71x = 397,705.79 × 167,364.70 - Step 4: Simplify right side
288,193.71x = 66,561,909,655.76 - Step 5: Solve for x
x = 66,561,909,655.76/288,193.71 - Step 6: Final answer
x = 230,962.39
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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.