Finding the Fourth Proportional to 129,452.99, 194,054.00 and 66,302.96
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Solution
The fourth proportional to 129,452.99, 194,054.00 and 66,302.96 is: 99,390.16
Step by Step Solution
- Step 1: Write the proportion equation
129,452.99 : 194,054.00 = 66,302.96 : x - Step 2: Convert to fraction form
129,452.99/194,054.00 = 66,302.96/x - Step 3: Cross multiply
129,452.99x = 194,054.00 × 66,302.96 - Step 4: Simplify right side
129,452.99x = 12,866,353,298.06 - Step 5: Solve for x
x = 12,866,353,298.06/129,452.99 - Step 6: Final answer
x = 99,390.16
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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.