Finding the Fourth Proportional to 256,800.99, 384,992.70 and 107,152.74
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Solution
The fourth proportional to 256,800.99, 384,992.70 and 107,152.74 is: 160,641.99
Step by Step Solution
- Step 1: Write the proportion equation
256,800.99 : 384,992.70 = 107,152.74 : x - Step 2: Convert to fraction form
256,800.99/384,992.70 = 107,152.74/x - Step 3: Cross multiply
256,800.99x = 384,992.70 × 107,152.74 - Step 4: Simplify right side
256,800.99x = 41,253,022,685.00 - Step 5: Solve for x
x = 41,253,022,685.00/256,800.99 - Step 6: Final answer
x = 160,641.99
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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.