Finding the Fourth Proportional to 193,349.35, 290,037.84 and 80,916.36
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Solution
The fourth proportional to 193,349.35, 290,037.84 and 80,916.36 is: 121,380.32
Step by Step Solution
- Step 1: Write the proportion equation
193,349.35 : 290,037.84 = 80,916.36 : x - Step 2: Convert to fraction form
193,349.35/290,037.84 = 80,916.36/x - Step 3: Cross multiply
193,349.35x = 290,037.84 × 80,916.36 - Step 4: Simplify right side
193,349.35x = 23,468,806,275.06 - Step 5: Solve for x
x = 23,468,806,275.06/193,349.35 - Step 6: Final answer
x = 121,380.32
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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.