Finding the Fourth Proportional to 466,141.28, 643,324.36 and 284,959.28
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Solution
The fourth proportional to 466,141.28, 643,324.36 and 284,959.28 is: 393,274.00
Step by Step Solution
- Step 1: Write the proportion equation
466,141.28 : 643,324.36 = 284,959.28 : x - Step 2: Convert to fraction form
466,141.28/643,324.36 = 284,959.28/x - Step 3: Cross multiply
466,141.28x = 643,324.36 × 284,959.28 - Step 4: Simplify right side
466,141.28x = 183,321,246,432.06 - Step 5: Solve for x
x = 183,321,246,432.06/466,141.28 - Step 6: Final answer
x = 393,274.00
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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.