Finding the Fourth Proportional to 205,301.76, 283,512.08 and 194,120.12
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Solution
The fourth proportional to 205,301.76, 283,512.08 and 194,120.12 is: 268,070.76
Step by Step Solution
- Step 1: Write the proportion equation
205,301.76 : 283,512.08 = 194,120.12 : x - Step 2: Convert to fraction form
205,301.76/283,512.08 = 194,120.12/x - Step 3: Cross multiply
205,301.76x = 283,512.08 × 194,120.12 - Step 4: Simplify right side
205,301.76x = 55,035,398,991.05 - Step 5: Solve for x
x = 55,035,398,991.05/205,301.76 - Step 6: Final answer
x = 268,070.76
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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.