Finding the Fourth Proportional to 319,720.24, 441,213.97 and 176,480.31
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Solution
The fourth proportional to 319,720.24, 441,213.97 and 176,480.31 is: 243,542.85
Step by Step Solution
- Step 1: Write the proportion equation
319,720.24 : 441,213.97 = 176,480.31 : x - Step 2: Convert to fraction form
319,720.24/441,213.97 = 176,480.31/x - Step 3: Cross multiply
319,720.24x = 441,213.97 × 176,480.31 - Step 4: Simplify right side
319,720.24x = 77,865,578,201.93 - Step 5: Solve for x
x = 77,865,578,201.93/319,720.24 - Step 6: Final answer
x = 243,542.85
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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.