Finding the Fourth Proportional to 193,576.66, 290,364.99 and 75,275.68
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Solution
The fourth proportional to 193,576.66, 290,364.99 and 75,275.68 is: 112,913.52
Step by Step Solution
- Step 1: Write the proportion equation
193,576.66 : 290,364.99 = 75,275.68 : x - Step 2: Convert to fraction form
193,576.66/290,364.99 = 75,275.68/x - Step 3: Cross multiply
193,576.66x = 290,364.99 × 75,275.68 - Step 4: Simplify right side
193,576.66x = 21,857,422,070.44 - Step 5: Solve for x
x = 21,857,422,070.44/193,576.66 - Step 6: Final answer
x = 112,913.52
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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.