Finding the Fourth Proportional to 252,125.28, 347,932.98 and 137,403.96
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Solution
The fourth proportional to 252,125.28, 347,932.98 and 137,403.96 is: 189,617.52
Step by Step Solution
- Step 1: Write the proportion equation
252,125.28 : 347,932.98 = 137,403.96 : x - Step 2: Convert to fraction form
252,125.28/347,932.98 = 137,403.96/x - Step 3: Cross multiply
252,125.28x = 347,932.98 × 137,403.96 - Step 4: Simplify right side
252,125.28x = 47,807,369,266.60 - Step 5: Solve for x
x = 47,807,369,266.60/252,125.28 - Step 6: Final answer
x = 189,617.52
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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.