Finding the Fourth Proportional to 317,962.26, 476,946.12 and 93,326.38
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Solution
The fourth proportional to 317,962.26, 476,946.12 and 93,326.38 is: 139,990.37
Step by Step Solution
- Step 1: Write the proportion equation
317,962.26 : 476,946.12 = 93,326.38 : x - Step 2: Convert to fraction form
317,962.26/476,946.12 = 93,326.38/x - Step 3: Cross multiply
317,962.26x = 476,946.12 × 93,326.38 - Step 4: Simplify right side
317,962.26x = 44,511,653,992.25 - Step 5: Solve for x
x = 44,511,653,992.25/317,962.26 - Step 6: Final answer
x = 139,990.37
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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.