Finding the Fourth Proportional to 392,329.26, 587,751.12 and 231,924.96
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Solution
The fourth proportional to 392,329.26, 587,751.12 and 231,924.96 is: 347,448.35
Step by Step Solution
- Step 1: Write the proportion equation
392,329.26 : 587,751.12 = 231,924.96 : x - Step 2: Convert to fraction form
392,329.26/587,751.12 = 231,924.96/x - Step 3: Cross multiply
392,329.26x = 587,751.12 × 231,924.96 - Step 4: Simplify right side
392,329.26x = 136,314,154,995.96 - Step 5: Solve for x
x = 136,314,154,995.96/392,329.26 - Step 6: Final answer
x = 347,448.35
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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.