Finding the Fourth Proportional to 461,434.68, 692,147.94 and 145,891.80
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Solution
The fourth proportional to 461,434.68, 692,147.94 and 145,891.80 is: 218,836.41
Step by Step Solution
- Step 1: Write the proportion equation
461,434.68 : 692,147.94 = 145,891.80 : x - Step 2: Convert to fraction form
461,434.68/692,147.94 = 145,891.80/x - Step 3: Cross multiply
461,434.68x = 692,147.94 × 145,891.80 - Step 4: Simplify right side
461,434.68x = 100,978,708,832.89 - Step 5: Solve for x
x = 100,978,708,832.89/461,434.68 - Step 6: Final answer
x = 218,836.41
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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.