Finding the Fourth Proportional to 305,195.49, 457,803.69 and 122,823.99
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Solution
The fourth proportional to 305,195.49, 457,803.69 and 122,823.99 is: 184,240.19
Step by Step Solution
- Step 1: Write the proportion equation
305,195.49 : 457,803.69 = 122,823.99 : x - Step 2: Convert to fraction form
305,195.49/457,803.69 = 122,823.99/x - Step 3: Cross multiply
305,195.49x = 457,803.69 × 122,823.99 - Step 4: Simplify right side
305,195.49x = 56,229,275,842.52 - Step 5: Solve for x
x = 56,229,275,842.52/305,195.49 - Step 6: Final answer
x = 184,240.19
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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.