Finding the Fourth Proportional to 217,684.84, 326,515.74 and 67,907.96
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Solution
The fourth proportional to 217,684.84, 326,515.74 and 67,907.96 is: 101,858.35
Step by Step Solution
- Step 1: Write the proportion equation
217,684.84 : 326,515.74 = 67,907.96 : x - Step 2: Convert to fraction form
217,684.84/326,515.74 = 67,907.96/x - Step 3: Cross multiply
217,684.84x = 326,515.74 × 67,907.96 - Step 4: Simplify right side
217,684.84x = 22,173,017,811.29 - Step 5: Solve for x
x = 22,173,017,811.29/217,684.84 - Step 6: Final answer
x = 101,858.35
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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.