Finding the Fourth Proportional to 345,837.28, 477,292.14 and 202,717.57
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Solution
The fourth proportional to 345,837.28, 477,292.14 and 202,717.57 is: 279,771.76
Step by Step Solution
- Step 1: Write the proportion equation
345,837.28 : 477,292.14 = 202,717.57 : x - Step 2: Convert to fraction form
345,837.28/477,292.14 = 202,717.57/x - Step 3: Cross multiply
345,837.28x = 477,292.14 × 202,717.57 - Step 4: Simplify right side
345,837.28x = 96,755,502,800.90 - Step 5: Solve for x
x = 96,755,502,800.90/345,837.28 - Step 6: Final answer
x = 279,771.76
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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.