Finding the Fourth Proportional to 256,327.74, 384,545.68 and 96,405.19
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Solution
The fourth proportional to 256,327.74, 384,545.68 and 96,405.19 is: 144,628.12
Step by Step Solution
- Step 1: Write the proportion equation
256,327.74 : 384,545.68 = 96,405.19 : x - Step 2: Convert to fraction form
256,327.74/384,545.68 = 96,405.19/x - Step 3: Cross multiply
256,327.74x = 384,545.68 × 96,405.19 - Step 4: Simplify right side
256,327.74x = 37,072,198,141.70 - Step 5: Solve for x
x = 37,072,198,141.70/256,327.74 - Step 6: Final answer
x = 144,628.12
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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.