Finding the Fourth Proportional to 281,750.40, 388,965.24 and 191,587.68
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Solution
The fourth proportional to 281,750.40, 388,965.24 and 191,587.68 is: 264,492.78
Step by Step Solution
- Step 1: Write the proportion equation
281,750.40 : 388,965.24 = 191,587.68 : x - Step 2: Convert to fraction form
281,750.40/388,965.24 = 191,587.68/x - Step 3: Cross multiply
281,750.40x = 388,965.24 × 191,587.68 - Step 4: Simplify right side
281,750.40x = 74,520,947,932.24 - Step 5: Solve for x
x = 74,520,947,932.24/281,750.40 - Step 6: Final answer
x = 264,492.78
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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.