Finding the Fourth Proportional to 220,928.99, 304,913.81 and 159,873.42
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Solution
The fourth proportional to 220,928.99, 304,913.81 and 159,873.42 is: 220,648.33
Step by Step Solution
- Step 1: Write the proportion equation
220,928.99 : 304,913.81 = 159,873.42 : x - Step 2: Convert to fraction form
220,928.99/304,913.81 = 159,873.42/x - Step 3: Cross multiply
220,928.99x = 304,913.81 × 159,873.42 - Step 4: Simplify right side
220,928.99x = 48,747,614,009.61 - Step 5: Solve for x
x = 48,747,614,009.61/220,928.99 - Step 6: Final answer
x = 220,648.33
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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.