Finding the Fourth Proportional to 319,470.48, 440,866.80 and 176,236.56
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Solution
The fourth proportional to 319,470.48, 440,866.80 and 176,236.56 is: 243,205.09
Step by Step Solution
- Step 1: Write the proportion equation
319,470.48 : 440,866.80 = 176,236.56 : x - Step 2: Convert to fraction form
319,470.48/440,866.80 = 176,236.56/x - Step 3: Cross multiply
319,470.48x = 440,866.80 × 176,236.56 - Step 4: Simplify right side
319,470.48x = 77,696,848,250.21 - Step 5: Solve for x
x = 77,696,848,250.21/319,470.48 - Step 6: Final answer
x = 243,205.09
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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.