Finding the Fourth Proportional to 296,009.74, 408,487.35 and 161,873.74
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Solution
The fourth proportional to 296,009.74, 408,487.35 and 161,873.74 is: 223,382.43
Step by Step Solution
- Step 1: Write the proportion equation
296,009.74 : 408,487.35 = 161,873.74 : x - Step 2: Convert to fraction form
296,009.74/408,487.35 = 161,873.74/x - Step 3: Cross multiply
296,009.74x = 408,487.35 × 161,873.74 - Step 4: Simplify right side
296,009.74x = 66,123,375,087.19 - Step 5: Solve for x
x = 66,123,375,087.19/296,009.74 - Step 6: Final answer
x = 223,382.43
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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.