Finding the Fourth Proportional to 146,628.19, 202,346.81 and 79,560.19
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Solution
The fourth proportional to 146,628.19, 202,346.81 and 79,560.19 is: 109,793.01
Step by Step Solution
- Step 1: Write the proportion equation
146,628.19 : 202,346.81 = 79,560.19 : x - Step 2: Convert to fraction form
146,628.19/202,346.81 = 79,560.19/x - Step 3: Cross multiply
146,628.19x = 202,346.81 × 79,560.19 - Step 4: Simplify right side
146,628.19x = 16,098,750,802.98 - Step 5: Solve for x
x = 16,098,750,802.98/146,628.19 - Step 6: Final answer
x = 109,793.01
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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.