Finding the Fourth Proportional to 319,733.88, 441,236.40 and 176,493.96
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Solution
The fourth proportional to 319,733.88, 441,236.40 and 176,493.96 is: 243,563.68
Step by Step Solution
- Step 1: Write the proportion equation
319,733.88 : 441,236.40 = 176,493.96 : x - Step 2: Convert to fraction form
319,733.88/441,236.40 = 176,493.96/x - Step 3: Cross multiply
319,733.88x = 441,236.40 × 176,493.96 - Step 4: Simplify right side
319,733.88x = 77,875,559,532.14 - Step 5: Solve for x
x = 77,875,559,532.14/319,733.88 - Step 6: Final answer
x = 243,563.68
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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.