Finding the Fourth Proportional to 317,414.66, 438,052.12 and 174,175.08
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Solution
The fourth proportional to 317,414.66, 438,052.12 and 174,175.08 is: 240,372.52
Step by Step Solution
- Step 1: Write the proportion equation
317,414.66 : 438,052.12 = 174,175.08 : x - Step 2: Convert to fraction form
317,414.66/438,052.12 = 174,175.08/x - Step 3: Cross multiply
317,414.66x = 438,052.12 × 174,175.08 - Step 4: Simplify right side
317,414.66x = 76,297,763,045.17 - Step 5: Solve for x
x = 76,297,763,045.17/317,414.66 - Step 6: Final answer
x = 240,372.52
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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.