Finding the Fourth Proportional to 330,838.48, 494,016.77 and 262,604.99
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Solution
The fourth proportional to 330,838.48, 494,016.77 and 262,604.99 is: 392,128.72
Step by Step Solution
- Step 1: Write the proportion equation
330,838.48 : 494,016.77 = 262,604.99 : x - Step 2: Convert to fraction form
330,838.48/494,016.77 = 262,604.99/x - Step 3: Cross multiply
330,838.48x = 494,016.77 × 262,604.99 - Step 4: Simplify right side
330,838.48x = 129,731,268,058.39 - Step 5: Solve for x
x = 129,731,268,058.39/330,838.48 - Step 6: Final answer
x = 392,128.72
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.