Finding the Fourth Proportional to 668,238.12, 922,168.74 and 366,438.44
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Solution
The fourth proportional to 668,238.12, 922,168.74 and 366,438.44 is: 505,685.12
Step by Step Solution
- Step 1: Write the proportion equation
668,238.12 : 922,168.74 = 366,438.44 : x - Step 2: Convert to fraction form
668,238.12/922,168.74 = 366,438.44/x - Step 3: Cross multiply
668,238.12x = 922,168.74 × 366,438.44 - Step 4: Simplify right side
668,238.12x = 337,918,074,502.37 - Step 5: Solve for x
x = 337,918,074,502.37/668,238.12 - Step 6: Final answer
x = 505,685.12
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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.