Finding the Fourth Proportional to 166,670.99, 230,006.57 and 90,190.08
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Solution
The fourth proportional to 166,670.99, 230,006.57 and 90,190.08 is: 124,462.64
Step by Step Solution
- Step 1: Write the proportion equation
166,670.99 : 230,006.57 = 90,190.08 : x - Step 2: Convert to fraction form
166,670.99/230,006.57 = 90,190.08/x - Step 3: Cross multiply
166,670.99x = 230,006.57 × 90,190.08 - Step 4: Simplify right side
166,670.99x = 20,744,310,948.83 - Step 5: Solve for x
x = 20,744,310,948.83/166,670.99 - Step 6: Final answer
x = 124,462.64
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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.