Finding the Fourth Proportional to 346,126.53, 477,678.56 and 193,194.48
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Solution
The fourth proportional to 346,126.53, 477,678.56 and 193,194.48 is: 266,621.75
Step by Step Solution
- Step 1: Write the proportion equation
346,126.53 : 477,678.56 = 193,194.48 : x - Step 2: Convert to fraction form
346,126.53/477,678.56 = 193,194.48/x - Step 3: Cross multiply
346,126.53x = 477,678.56 × 193,194.48 - Step 4: Simplify right side
346,126.53x = 92,284,860,040.38 - Step 5: Solve for x
x = 92,284,860,040.38/346,126.53 - Step 6: Final answer
x = 266,621.75
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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.