Finding the Fourth Proportional to 252,037.75, 347,811.06 and 137,316.07
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Solution
The fourth proportional to 252,037.75, 347,811.06 and 137,316.07 is: 189,495.61
Step by Step Solution
- Step 1: Write the proportion equation
252,037.75 : 347,811.06 = 137,316.07 : x - Step 2: Convert to fraction form
252,037.75/347,811.06 = 137,316.07/x - Step 3: Cross multiply
252,037.75x = 347,811.06 × 137,316.07 - Step 4: Simplify right side
252,037.75x = 47,760,047,861.73 - Step 5: Solve for x
x = 47,760,047,861.73/252,037.75 - Step 6: Final answer
x = 189,495.61
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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.