Finding the Fourth Proportional to 147,891.28, 204,097.36 and 87,497.28
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Solution
The fourth proportional to 147,891.28, 204,097.36 and 87,497.28 is: 120,750.62
Step by Step Solution
- Step 1: Write the proportion equation
147,891.28 : 204,097.36 = 87,497.28 : x - Step 2: Convert to fraction form
147,891.28/204,097.36 = 87,497.28/x - Step 3: Cross multiply
147,891.28x = 204,097.36 × 87,497.28 - Step 4: Simplify right side
147,891.28x = 17,857,963,855.18 - Step 5: Solve for x
x = 17,857,963,855.18/147,891.28 - Step 6: Final answer
x = 120,750.62
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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.