Finding the Fourth Proportional to 301,761.65, 452,708.09 and 91,415.99
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Solution
The fourth proportional to 301,761.65, 452,708.09 and 91,415.99 is: 137,143.86
Step by Step Solution
- Step 1: Write the proportion equation
301,761.65 : 452,708.09 = 91,415.99 : x - Step 2: Convert to fraction form
301,761.65/452,708.09 = 91,415.99/x - Step 3: Cross multiply
301,761.65x = 452,708.09 × 91,415.99 - Step 4: Simplify right side
301,761.65x = 41,384,759,245.86 - Step 5: Solve for x
x = 41,384,759,245.86/301,761.65 - Step 6: Final answer
x = 137,143.86
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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.