Finding the Fourth Proportional to 317,963.48, 476,197.38 and 149,119.79
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Solution
The fourth proportional to 317,963.48, 476,197.38 and 149,119.79 is: 223,328.96
Step by Step Solution
- Step 1: Write the proportion equation
317,963.48 : 476,197.38 = 149,119.79 : x - Step 2: Convert to fraction form
317,963.48/476,197.38 = 149,119.79/x - Step 3: Cross multiply
317,963.48x = 476,197.38 × 149,119.79 - Step 4: Simplify right side
317,963.48x = 71,010,450,923.16 - Step 5: Solve for x
x = 71,010,450,923.16/317,963.48 - Step 6: Final answer
x = 223,328.96
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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.