Finding the Fourth Proportional to 106,231.07, 146,593.31 and 58,475.09
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Solution
The fourth proportional to 106,231.07, 146,593.31 and 58,475.09 is: 80,692.55
Step by Step Solution
- Step 1: Write the proportion equation
106,231.07 : 146,593.31 = 58,475.09 : x - Step 2: Convert to fraction form
106,231.07/146,593.31 = 58,475.09/x - Step 3: Cross multiply
106,231.07x = 146,593.31 × 58,475.09 - Step 4: Simplify right side
106,231.07x = 8,572,055,970.31 - Step 5: Solve for x
x = 8,572,055,970.31/106,231.07 - Step 6: Final answer
x = 80,692.55
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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.