Finding the Fourth Proportional to 281,526.28, 388,398.18 and 160,674.28
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Solution
The fourth proportional to 281,526.28, 388,398.18 and 160,674.28 is: 221,668.82
Step by Step Solution
- Step 1: Write the proportion equation
281,526.28 : 388,398.18 = 160,674.28 : x - Step 2: Convert to fraction form
281,526.28/388,398.18 = 160,674.28/x - Step 3: Cross multiply
281,526.28x = 388,398.18 × 160,674.28 - Step 4: Simplify right side
281,526.28x = 62,405,597,924.81 - Step 5: Solve for x
x = 62,405,597,924.81/281,526.28 - Step 6: Final answer
x = 221,668.82
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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.