Finding the Fourth Proportional to 271,400.18, 374,287.11 and 169,435.09
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Solution
The fourth proportional to 271,400.18, 374,287.11 and 169,435.09 is: 233,667.38
Step by Step Solution
- Step 1: Write the proportion equation
271,400.18 : 374,287.11 = 169,435.09 : x - Step 2: Convert to fraction form
271,400.18/374,287.11 = 169,435.09/x - Step 3: Cross multiply
271,400.18x = 374,287.11 × 169,435.09 - Step 4: Simplify right side
271,400.18x = 63,417,370,168.69 - Step 5: Solve for x
x = 63,417,370,168.69/271,400.18 - Step 6: Final answer
x = 233,667.38
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1.5x scale
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.