Finding the Fourth Proportional to 317,957.70, 476,640.08 and 107,448.42
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Solution
The fourth proportional to 317,957.70, 476,640.08 and 107,448.42 is: 161,072.44
Step by Step Solution
- Step 1: Write the proportion equation
317,957.70 : 476,640.08 = 107,448.42 : x - Step 2: Convert to fraction form
317,957.70/476,640.08 = 107,448.42/x - Step 3: Cross multiply
317,957.70x = 476,640.08 × 107,448.42 - Step 4: Simplify right side
317,957.70x = 51,214,223,504.67 - Step 5: Solve for x
x = 51,214,223,504.67/317,957.70 - Step 6: Final answer
x = 161,072.44
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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.