Finding the Fourth Proportional to 319,806.50, 441,330.10 and 176,563.46
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Solution
The fourth proportional to 319,806.50, 441,330.10 and 176,563.46 is: 243,655.99
Step by Step Solution
- Step 1: Write the proportion equation
319,806.50 : 441,330.10 = 176,563.46 : x - Step 2: Convert to fraction form
319,806.50/441,330.10 = 176,563.46/x - Step 3: Cross multiply
319,806.50x = 441,330.10 × 176,563.46 - Step 4: Simplify right side
319,806.50x = 77,922,769,458.15 - Step 5: Solve for x
x = 77,922,769,458.15/319,806.50 - Step 6: Final answer
x = 243,655.99
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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.