Finding the Fourth Proportional to 824,381.71, 1,236,525.66 and 247,992.73
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Solution
The fourth proportional to 824,381.71, 1,236,525.66 and 247,992.73 is: 371,974.99
Step by Step Solution
- Step 1: Write the proportion equation
824,381.71 : 1,236,525.66 = 247,992.73 : x - Step 2: Convert to fraction form
824,381.71/1,236,525.66 = 247,992.73/x - Step 3: Cross multiply
824,381.71x = 1,236,525.66 × 247,992.73 - Step 4: Simplify right side
824,381.71x = 306,649,372,392.46 - Step 5: Solve for x
x = 306,649,372,392.46/824,381.71 - Step 6: Final answer
x = 371,974.99
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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.