Finding the Fourth Proportional to 320,184.62, 480,276.92 and 120,549.79
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Solution
The fourth proportional to 320,184.62, 480,276.92 and 120,549.79 is: 180,824.68
Step by Step Solution
- Step 1: Write the proportion equation
320,184.62 : 480,276.92 = 120,549.79 : x - Step 2: Convert to fraction form
320,184.62/480,276.92 = 120,549.79/x - Step 3: Cross multiply
320,184.62x = 480,276.92 × 120,549.79 - Step 4: Simplify right side
320,184.62x = 57,897,279,446.46 - Step 5: Solve for x
x = 57,897,279,446.46/320,184.62 - Step 6: Final answer
x = 180,824.68
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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.