Finding the Fourth Proportional to 68,464.11, 102,702.69 and 18,544.74
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Solution
The fourth proportional to 68,464.11, 102,702.69 and 18,544.74 is: 27,818.88
Step by Step Solution
- Step 1: Write the proportion equation
68,464.11 : 102,702.69 = 18,544.74 : x - Step 2: Convert to fraction form
68,464.11/102,702.69 = 18,544.74/x - Step 3: Cross multiply
68,464.11x = 102,702.69 × 18,544.74 - Step 4: Simplify right side
68,464.11x = 1,904,594,683.35 - Step 5: Solve for x
x = 1,904,594,683.35/68,464.11 - Step 6: Final answer
x = 27,818.88
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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.