Finding the Fourth Proportional to 311,075.68, 466,687.68 and 100,713.68
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Solution
The fourth proportional to 311,075.68, 466,687.68 and 100,713.68 is: 151,094.53
Step by Step Solution
- Step 1: Write the proportion equation
311,075.68 : 466,687.68 = 100,713.68 : x - Step 2: Convert to fraction form
311,075.68/466,687.68 = 100,713.68/x - Step 3: Cross multiply
311,075.68x = 466,687.68 × 100,713.68 - Step 4: Simplify right side
311,075.68x = 47,001,833,663.46 - Step 5: Solve for x
x = 47,001,833,663.46/311,075.68 - Step 6: Final answer
x = 151,094.53
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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.