Finding the Fourth Proportional to 347,371.88, 479,373.19 and 188,395.88
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Solution
The fourth proportional to 347,371.88, 479,373.19 and 188,395.88 is: 259,986.31
Step by Step Solution
- Step 1: Write the proportion equation
347,371.88 : 479,373.19 = 188,395.88 : x - Step 2: Convert to fraction form
347,371.88/479,373.19 = 188,395.88/x - Step 3: Cross multiply
347,371.88x = 479,373.19 × 188,395.88 - Step 4: Simplify right side
347,371.88x = 90,311,931,110.60 - Step 5: Solve for x
x = 90,311,931,110.60/347,371.88 - Step 6: Final answer
x = 259,986.31
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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.