Finding the Fourth Proportional to 296,043.96, 408,532.30 and 161,905.08
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Solution
The fourth proportional to 296,043.96, 408,532.30 and 161,905.08 is: 223,424.44
Step by Step Solution
- Step 1: Write the proportion equation
296,043.96 : 408,532.30 = 161,905.08 : x - Step 2: Convert to fraction form
296,043.96/408,532.30 = 161,905.08/x - Step 3: Cross multiply
296,043.96x = 408,532.30 × 161,905.08 - Step 4: Simplify right side
296,043.96x = 66,143,454,714.08 - Step 5: Solve for x
x = 66,143,454,714.08/296,043.96 - Step 6: Final answer
x = 223,424.44
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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.