Finding the Fourth Proportional to 207,375.32, 286,178.01 and 121,350.84
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Solution
The fourth proportional to 207,375.32, 286,178.01 and 121,350.84 is: 167,464.20
Step by Step Solution
- Step 1: Write the proportion equation
207,375.32 : 286,178.01 = 121,350.84 : x - Step 2: Convert to fraction form
207,375.32/286,178.01 = 121,350.84/x - Step 3: Cross multiply
207,375.32x = 286,178.01 × 121,350.84 - Step 4: Simplify right side
207,375.32x = 34,727,941,903.03 - Step 5: Solve for x
x = 34,727,941,903.03/207,375.32 - Step 6: Final answer
x = 167,464.20
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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.