Finding the Fourth Proportional to 221,473.29, 305,526.83 and 144,958.70
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Solution
The fourth proportional to 221,473.29, 305,526.83 and 144,958.70 is: 199,973.42
Step by Step Solution
- Step 1: Write the proportion equation
221,473.29 : 305,526.83 = 144,958.70 : x - Step 2: Convert to fraction form
221,473.29/305,526.83 = 144,958.70/x - Step 3: Cross multiply
221,473.29x = 305,526.83 × 144,958.70 - Step 4: Simplify right side
221,473.29x = 44,288,772,091.92 - Step 5: Solve for x
x = 44,288,772,091.92/221,473.29 - Step 6: Final answer
x = 199,973.42
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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.