Finding the Fourth Proportional to 317,524.05, 438,181.65 and 174,286.53
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Solution
The fourth proportional to 317,524.05, 438,181.65 and 174,286.53 is: 240,514.57
Step by Step Solution
- Step 1: Write the proportion equation
317,524.05 : 438,181.65 = 174,286.53 : x - Step 2: Convert to fraction form
317,524.05/438,181.65 = 174,286.53/x - Step 3: Cross multiply
317,524.05x = 438,181.65 × 174,286.53 - Step 4: Simplify right side
317,524.05x = 76,369,159,288.17 - Step 5: Solve for x
x = 76,369,159,288.17/317,524.05 - Step 6: Final answer
x = 240,514.57
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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.