Finding the Fourth Proportional to 311,855.99, 467,841.68 and 98,677.56
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Solution
The fourth proportional to 311,855.99, 467,841.68 and 98,677.56 is: 148,034.60
Step by Step Solution
- Step 1: Write the proportion equation
311,855.99 : 467,841.68 = 98,677.56 : x - Step 2: Convert to fraction form
311,855.99/467,841.68 = 98,677.56/x - Step 3: Cross multiply
311,855.99x = 467,841.68 × 98,677.56 - Step 4: Simplify right side
311,855.99x = 46,165,474,955.31 - Step 5: Solve for x
x = 46,165,474,955.31/311,855.99 - Step 6: Final answer
x = 148,034.60
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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.