Finding the Fourth Proportional to 121,861.74, 182,725.62 and 37,598.91
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Solution
The fourth proportional to 121,861.74, 182,725.62 and 37,598.91 is: 56,377.70
Step by Step Solution
- Step 1: Write the proportion equation
121,861.74 : 182,725.62 = 37,598.91 : x - Step 2: Convert to fraction form
121,861.74/182,725.62 = 37,598.91/x - Step 3: Cross multiply
121,861.74x = 182,725.62 × 37,598.91 - Step 4: Simplify right side
121,861.74x = 6,870,284,141.07 - Step 5: Solve for x
x = 6,870,284,141.07/121,861.74 - Step 6: Final answer
x = 56,377.70
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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.