Finding the Fourth Proportional to 251,777.97, 377,703.81 and 74,261.88
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Solution
The fourth proportional to 251,777.97, 377,703.81 and 74,261.88 is: 111,403.69
Step by Step Solution
- Step 1: Write the proportion equation
251,777.97 : 377,703.81 = 74,261.88 : x - Step 2: Convert to fraction form
251,777.97/377,703.81 = 74,261.88/x - Step 3: Cross multiply
251,777.97x = 377,703.81 × 74,261.88 - Step 4: Simplify right side
251,777.97x = 28,048,995,013.76 - Step 5: Solve for x
x = 28,048,995,013.76/251,777.97 - Step 6: Final answer
x = 111,403.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.