Finding the Fourth Proportional to 415,858.68, 623,810.70 and 131,527.99
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Solution
The fourth proportional to 415,858.68, 623,810.70 and 131,527.99 is: 197,299.16
Step by Step Solution
- Step 1: Write the proportion equation
415,858.68 : 623,810.70 = 131,527.99 : x - Step 2: Convert to fraction form
415,858.68/623,810.70 = 131,527.99/x - Step 3: Cross multiply
415,858.68x = 623,810.70 × 131,527.99 - Step 4: Simplify right side
415,858.68x = 82,048,567,511.49 - Step 5: Solve for x
x = 82,048,567,511.49/415,858.68 - Step 6: Final answer
x = 197,299.16
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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.