Finding the Fourth Proportional to 221,891.94, 306,210.96 and 119,917.08
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Solution
The fourth proportional to 221,891.94, 306,210.96 and 119,917.08 is: 165,485.62
Step by Step Solution
- Step 1: Write the proportion equation
221,891.94 : 306,210.96 = 119,917.08 : x - Step 2: Convert to fraction form
221,891.94/306,210.96 = 119,917.08/x - Step 3: Cross multiply
221,891.94x = 306,210.96 × 119,917.08 - Step 4: Simplify right side
221,891.94x = 36,719,924,187.20 - Step 5: Solve for x
x = 36,719,924,187.20/221,891.94 - Step 6: Final answer
x = 165,485.62
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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.