Finding the Fourth Proportional to 612,103.14, 844,781.18 and 343,882.98
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Solution
The fourth proportional to 612,103.14, 844,781.18 and 343,882.98 is: 474,602.81
Step by Step Solution
- Step 1: Write the proportion equation
612,103.14 : 844,781.18 = 343,882.98 : x - Step 2: Convert to fraction form
612,103.14/844,781.18 = 343,882.98/x - Step 3: Cross multiply
612,103.14x = 844,781.18 × 343,882.98 - Step 4: Simplify right side
612,103.14x = 290,505,867,906.90 - Step 5: Solve for x
x = 290,505,867,906.90/612,103.14 - Step 6: Final answer
x = 474,602.81
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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.