Finding the Fourth Proportional to 374,674.08, 517,063.39 and 213,503.12
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Solution
The fourth proportional to 374,674.08, 517,063.39 and 213,503.12 is: 294,641.80
Step by Step Solution
- Step 1: Write the proportion equation
374,674.08 : 517,063.39 = 213,503.12 : x - Step 2: Convert to fraction form
374,674.08/517,063.39 = 213,503.12/x - Step 3: Cross multiply
374,674.08x = 517,063.39 × 213,503.12 - Step 4: Simplify right side
374,674.08x = 110,394,647,002.78 - Step 5: Solve for x
x = 110,394,647,002.78/374,674.08 - Step 6: Final answer
x = 294,641.80
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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.