Finding the Fourth Proportional to 351,811.35, 485,523.96 and 214,044.03
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Solution
The fourth proportional to 351,811.35, 485,523.96 and 214,044.03 is: 295,395.54
Step by Step Solution
- Step 1: Write the proportion equation
351,811.35 : 485,523.96 = 214,044.03 : x - Step 2: Convert to fraction form
351,811.35/485,523.96 = 214,044.03/x - Step 3: Cross multiply
351,811.35x = 485,523.96 × 214,044.03 - Step 4: Simplify right side
351,811.35x = 103,923,505,059.96 - Step 5: Solve for x
x = 103,923,505,059.96/351,811.35 - Step 6: Final answer
x = 295,395.54
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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.