Finding the Fourth Proportional to 252,037.76, 347,811.06 and 137,316.08
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Solution
The fourth proportional to 252,037.76, 347,811.06 and 137,316.08 is: 189,495.62
Step by Step Solution
- Step 1: Write the proportion equation
252,037.76 : 347,811.06 = 137,316.08 : x - Step 2: Convert to fraction form
252,037.76/347,811.06 = 137,316.08/x - Step 3: Cross multiply
252,037.76x = 347,811.06 × 137,316.08 - Step 4: Simplify right side
252,037.76x = 47,760,051,339.84 - Step 5: Solve for x
x = 47,760,051,339.84/252,037.76 - Step 6: Final answer
x = 189,495.62
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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.