Finding the Fourth Proportional to 281,764.17, 422,812.11 and 104,394.84
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Solution
The fourth proportional to 281,764.17, 422,812.11 and 104,394.84 is: 156,653.71
Step by Step Solution
- Step 1: Write the proportion equation
281,764.17 : 422,812.11 = 104,394.84 : x - Step 2: Convert to fraction form
281,764.17/422,812.11 = 104,394.84/x - Step 3: Cross multiply
281,764.17x = 422,812.11 × 104,394.84 - Step 4: Simplify right side
281,764.17x = 44,139,402,573.51 - Step 5: Solve for x
x = 44,139,402,573.51/281,764.17 - Step 6: Final answer
x = 156,653.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.