Finding the Fourth Proportional to 354,126.23, 488,678.76 and 201,164.07
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Solution
The fourth proportional to 354,126.23, 488,678.76 and 201,164.07 is: 277,597.65
Step by Step Solution
- Step 1: Write the proportion equation
354,126.23 : 488,678.76 = 201,164.07 : x - Step 2: Convert to fraction form
354,126.23/488,678.76 = 201,164.07/x - Step 3: Cross multiply
354,126.23x = 488,678.76 × 201,164.07 - Step 4: Simplify right side
354,126.23x = 98,304,608,284.15 - Step 5: Solve for x
x = 98,304,608,284.15/354,126.23 - Step 6: Final answer
x = 277,597.65
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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.