Finding the Fourth Proportional to 351,205.74, 484,612.07 and 205,956.68
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Solution
The fourth proportional to 351,205.74, 484,612.07 and 205,956.68 is: 284,189.80
Step by Step Solution
- Step 1: Write the proportion equation
351,205.74 : 484,612.07 = 205,956.68 : x - Step 2: Convert to fraction form
351,205.74/484,612.07 = 205,956.68/x - Step 3: Cross multiply
351,205.74x = 484,612.07 × 205,956.68 - Step 4: Simplify right side
351,205.74x = 99,809,089,572.28 - Step 5: Solve for x
x = 99,809,089,572.28/351,205.74 - Step 6: Final answer
x = 284,189.80
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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.