Finding the Fourth Proportional to 319,906.19, 441,466.97 and 176,663.36
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Solution
The fourth proportional to 319,906.19, 441,466.97 and 176,663.36 is: 243,793.46
Step by Step Solution
- Step 1: Write the proportion equation
319,906.19 : 441,466.97 = 176,663.36 : x - Step 2: Convert to fraction form
319,906.19/441,466.97 = 176,663.36/x - Step 3: Cross multiply
319,906.19x = 441,466.97 × 176,663.36 - Step 4: Simplify right side
319,906.19x = 77,991,035,158.57 - Step 5: Solve for x
x = 77,991,035,158.57/319,906.19 - Step 6: Final answer
x = 243,793.46
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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.