Finding the Fourth Proportional to 317,874.70, 438,560.09 and 180,034.84
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Solution
The fourth proportional to 317,874.70, 438,560.09 and 180,034.84 is: 248,387.48
Step by Step Solution
- Step 1: Write the proportion equation
317,874.70 : 438,560.09 = 180,034.84 : x - Step 2: Convert to fraction form
317,874.70/438,560.09 = 180,034.84/x - Step 3: Cross multiply
317,874.70x = 438,560.09 × 180,034.84 - Step 4: Simplify right side
317,874.70x = 78,956,095,633.54 - Step 5: Solve for x
x = 78,956,095,633.54/317,874.70 - Step 6: Final answer
x = 248,387.48
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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.