Finding the Fourth Proportional to 312,075.18, 468,236.70 and 101,714.94
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Solution
The fourth proportional to 312,075.18, 468,236.70 and 101,714.94 is: 152,612.80
Step by Step Solution
- Step 1: Write the proportion equation
312,075.18 : 468,236.70 = 101,714.94 : x - Step 2: Convert to fraction form
312,075.18/468,236.70 = 101,714.94/x - Step 3: Cross multiply
312,075.18x = 468,236.70 × 101,714.94 - Step 4: Simplify right side
312,075.18x = 47,626,667,846.30 - Step 5: Solve for x
x = 47,626,667,846.30/312,075.18 - Step 6: Final answer
x = 152,612.80
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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.