Finding the Fourth Proportional to 361,102.79, 498,315.79 and 199,954.38
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Solution
The fourth proportional to 361,102.79, 498,315.79 and 199,954.38 is: 275,933.69
Step by Step Solution
- Step 1: Write the proportion equation
361,102.79 : 498,315.79 = 199,954.38 : x - Step 2: Convert to fraction form
361,102.79/498,315.79 = 199,954.38/x - Step 3: Cross multiply
361,102.79x = 498,315.79 × 199,954.38 - Step 4: Simplify right side
361,102.79x = 99,640,425,827.54 - Step 5: Solve for x
x = 99,640,425,827.54/361,102.79 - Step 6: Final answer
x = 275,933.69
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1.5x scale
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.