Finding the Fourth Proportional to 269,861.94, 372,402.37 and 149,000.63
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Solution
The fourth proportional to 269,861.94, 372,402.37 and 149,000.63 is: 205,616.95
Step by Step Solution
- Step 1: Write the proportion equation
269,861.94 : 372,402.37 = 149,000.63 : x - Step 2: Convert to fraction form
269,861.94/372,402.37 = 149,000.63/x - Step 3: Cross multiply
269,861.94x = 372,402.37 × 149,000.63 - Step 4: Simplify right side
269,861.94x = 55,488,187,743.49 - Step 5: Solve for x
x = 55,488,187,743.49/269,861.94 - Step 6: Final answer
x = 205,616.95
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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.