Finding the Fourth Proportional to 349,367.13, 482,100.12 and 196,380.99
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Solution
The fourth proportional to 349,367.13, 482,100.12 and 196,380.99 is: 270,990.86
Step by Step Solution
- Step 1: Write the proportion equation
349,367.13 : 482,100.12 = 196,380.99 : x - Step 2: Convert to fraction form
349,367.13/482,100.12 = 196,380.99/x - Step 3: Cross multiply
349,367.13x = 482,100.12 × 196,380.99 - Step 4: Simplify right side
349,367.13x = 94,675,298,844.72 - Step 5: Solve for x
x = 94,675,298,844.72/349,367.13 - Step 6: Final answer
x = 270,990.86
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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.