Finding the Fourth Proportional to 297,706.16, 410,836.48 and 161,740.08
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Solution
The fourth proportional to 297,706.16, 410,836.48 and 161,740.08 is: 223,202.38
Step by Step Solution
- Step 1: Write the proportion equation
297,706.16 : 410,836.48 = 161,740.08 : x - Step 2: Convert to fraction form
297,706.16/410,836.48 = 161,740.08/x - Step 3: Cross multiply
297,706.16x = 410,836.48 × 161,740.08 - Step 4: Simplify right side
297,706.16x = 66,448,724,737.77 - Step 5: Solve for x
x = 66,448,724,737.77/297,706.16 - Step 6: Final answer
x = 223,202.38
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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.