Finding the Fourth Proportional to 317,874.61, 438,674.97 and 174,647.98
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Solution
The fourth proportional to 317,874.61, 438,674.97 and 174,647.98 is: 241,018.61
Step by Step Solution
- Step 1: Write the proportion equation
317,874.61 : 438,674.97 = 174,647.98 : x - Step 2: Convert to fraction form
317,874.61/438,674.97 = 174,647.98/x - Step 3: Cross multiply
317,874.61x = 438,674.97 × 174,647.98 - Step 4: Simplify right side
317,874.61x = 76,613,697,387.06 - Step 5: Solve for x
x = 76,613,697,387.06/317,874.61 - Step 6: Final answer
x = 241,018.61
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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.