Finding the Fourth Proportional to 613,836.68, 847,117.62 and 338,205.88
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Solution
The fourth proportional to 613,836.68, 847,117.62 and 338,205.88 is: 466,736.79
Step by Step Solution
- Step 1: Write the proportion equation
613,836.68 : 847,117.62 = 338,205.88 : x - Step 2: Convert to fraction form
613,836.68/847,117.62 = 338,205.88/x - Step 3: Cross multiply
613,836.68x = 847,117.62 × 338,205.88 - Step 4: Simplify right side
613,836.68x = 286,500,160,135.61 - Step 5: Solve for x
x = 286,500,160,135.61/613,836.68 - Step 6: Final answer
x = 466,736.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.