Finding the Fourth Proportional to 256,497.28, 384,538.39 and 106,849.99
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Solution
The fourth proportional to 256,497.28, 384,538.39 and 106,849.99 is: 160,188.52
Step by Step Solution
- Step 1: Write the proportion equation
256,497.28 : 384,538.39 = 106,849.99 : x - Step 2: Convert to fraction form
256,497.28/384,538.39 = 106,849.99/x - Step 3: Cross multiply
256,497.28x = 384,538.39 × 106,849.99 - Step 4: Simplify right side
256,497.28x = 41,087,921,176.64 - Step 5: Solve for x
x = 41,087,921,176.64/256,497.28 - Step 6: Final answer
x = 160,188.52
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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.