Finding the Fourth Proportional to 232,687.20, 349,063.80 and 74,878.92
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Solution
The fourth proportional to 232,687.20, 349,063.80 and 74,878.92 is: 112,329.00
Step by Step Solution
- Step 1: Write the proportion equation
232,687.20 : 349,063.80 = 74,878.92 : x - Step 2: Convert to fraction form
232,687.20/349,063.80 = 74,878.92/x - Step 3: Cross multiply
232,687.20x = 349,063.80 × 74,878.92 - Step 4: Simplify right side
232,687.20x = 26,137,520,355.10 - Step 5: Solve for x
x = 26,137,520,355.10/232,687.20 - Step 6: Final answer
x = 112,329.00
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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.