Finding the Fourth Proportional to 106,035.08, 146,331.78 and 58,290.44
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Solution
The fourth proportional to 106,035.08, 146,331.78 and 58,290.44 is: 80,442.66
Step by Step Solution
- Step 1: Write the proportion equation
106,035.08 : 146,331.78 = 58,290.44 : x - Step 2: Convert to fraction form
106,035.08/146,331.78 = 58,290.44/x - Step 3: Cross multiply
106,035.08x = 146,331.78 × 58,290.44 - Step 4: Simplify right side
106,035.08x = 8,529,743,842.18 - Step 5: Solve for x
x = 8,529,743,842.18/106,035.08 - Step 6: Final answer
x = 80,442.66
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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.