Finding the Fourth Proportional to 343,785.26, 474,373.10 and 190,824.60
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Solution
The fourth proportional to 343,785.26, 474,373.10 and 190,824.60 is: 263,309.88
Step by Step Solution
- Step 1: Write the proportion equation
343,785.26 : 474,373.10 = 190,824.60 : x - Step 2: Convert to fraction form
343,785.26/474,373.10 = 190,824.60/x - Step 3: Cross multiply
343,785.26x = 474,373.10 × 190,824.60 - Step 4: Simplify right side
343,785.26x = 90,522,057,058.26 - Step 5: Solve for x
x = 90,522,057,058.26/343,785.26 - Step 6: Final answer
x = 263,309.88
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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.