Finding the Fourth Proportional to 366,637.88, 505,201.68 and 294,729.32
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Solution
The fourth proportional to 366,637.88, 505,201.68 and 294,729.32 is: 406,116.65
Step by Step Solution
- Step 1: Write the proportion equation
366,637.88 : 505,201.68 = 294,729.32 : x - Step 2: Convert to fraction form
366,637.88/505,201.68 = 294,729.32/x - Step 3: Cross multiply
366,637.88x = 505,201.68 × 294,729.32 - Step 4: Simplify right side
366,637.88x = 148,897,747,609.26 - Step 5: Solve for x
x = 148,897,747,609.26/366,637.88 - Step 6: Final answer
x = 406,116.65
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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.