Finding the Fourth Proportional to 245,324.70, 367,987.05 and 170,286.30
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Solution
The fourth proportional to 245,324.70, 367,987.05 and 170,286.30 is: 255,429.45
Step by Step Solution
- Step 1: Write the proportion equation
245,324.70 : 367,987.05 = 170,286.30 : x - Step 2: Convert to fraction form
245,324.70/367,987.05 = 170,286.30/x - Step 3: Cross multiply
245,324.70x = 367,987.05 × 170,286.30 - Step 4: Simplify right side
245,324.70x = 62,663,153,192.42 - Step 5: Solve for x
x = 62,663,153,192.42/245,324.70 - Step 6: Final answer
x = 255,429.45
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.