Finding the Fourth Proportional to 181,372.04, 271,643.18 and 86,668.80
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Solution
The fourth proportional to 181,372.04, 271,643.18 and 86,668.80 is: 129,804.95
Step by Step Solution
- Step 1: Write the proportion equation
181,372.04 : 271,643.18 = 86,668.80 : x - Step 2: Convert to fraction form
181,372.04/271,643.18 = 86,668.80/x - Step 3: Cross multiply
181,372.04x = 271,643.18 × 86,668.80 - Step 4: Simplify right side
181,372.04x = 23,542,988,438.78 - Step 5: Solve for x
x = 23,542,988,438.78/181,372.04 - Step 6: Final answer
x = 129,804.95
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1.5x scale
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.