Finding the Fourth Proportional to 341,855.47, 471,645.07 and 198,497.62
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Solution
The fourth proportional to 341,855.47, 471,645.07 and 198,497.62 is: 273,859.66
Step by Step Solution
- Step 1: Write the proportion equation
341,855.47 : 471,645.07 = 198,497.62 : x - Step 2: Convert to fraction form
341,855.47/471,645.07 = 198,497.62/x - Step 3: Cross multiply
341,855.47x = 471,645.07 × 198,497.62 - Step 4: Simplify right side
341,855.47x = 93,620,423,879.73 - Step 5: Solve for x
x = 93,620,423,879.73/341,855.47 - Step 6: Final answer
x = 273,859.66
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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.