Finding the Fourth Proportional to 198,621.68, 297,533.58 and 91,855.98
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Solution
The fourth proportional to 198,621.68, 297,533.58 and 91,855.98 is: 137,599.48
Step by Step Solution
- Step 1: Write the proportion equation
198,621.68 : 297,533.58 = 91,855.98 : x - Step 2: Convert to fraction form
198,621.68/297,533.58 = 91,855.98/x - Step 3: Cross multiply
198,621.68x = 297,533.58 × 91,855.98 - Step 4: Simplify right side
198,621.68x = 27,330,238,573.81 - Step 5: Solve for x
x = 27,330,238,573.81/198,621.68 - Step 6: Final answer
x = 137,599.48
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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.