Finding the Fourth Proportional to 263,512.31, 395,341.97 and 86,029.97
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Solution
The fourth proportional to 263,512.31, 395,341.97 and 86,029.97 is: 129,068.95
Step by Step Solution
- Step 1: Write the proportion equation
263,512.31 : 395,341.97 = 86,029.97 : x - Step 2: Convert to fraction form
263,512.31/395,341.97 = 86,029.97/x - Step 3: Cross multiply
263,512.31x = 395,341.97 × 86,029.97 - Step 4: Simplify right side
263,512.31x = 34,011,255,411.98 - Step 5: Solve for x
x = 34,011,255,411.98/263,512.31 - Step 6: Final answer
x = 129,068.95
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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.