Finding the Fourth Proportional to 296,068.08, 408,571.92 and 161,932.08
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Solution
The fourth proportional to 296,068.08, 408,571.92 and 161,932.08 is: 223,465.16
Step by Step Solution
- Step 1: Write the proportion equation
296,068.08 : 408,571.92 = 161,932.08 : x - Step 2: Convert to fraction form
296,068.08/408,571.92 = 161,932.08/x - Step 3: Cross multiply
296,068.08x = 408,571.92 × 161,932.08 - Step 4: Simplify right side
296,068.08x = 66,160,900,835.19 - Step 5: Solve for x
x = 66,160,900,835.19/296,068.08 - Step 6: Final answer
x = 223,465.16
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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.