Finding the Fourth Proportional to 355,319.96, 490,342.83 and 194,177.48
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Solution
The fourth proportional to 355,319.96, 490,342.83 and 194,177.48 is: 267,965.62
Step by Step Solution
- Step 1: Write the proportion equation
355,319.96 : 490,342.83 = 194,177.48 : x - Step 2: Convert to fraction form
355,319.96/490,342.83 = 194,177.48/x - Step 3: Cross multiply
355,319.96x = 490,342.83 × 194,177.48 - Step 4: Simplify right side
355,319.96x = 95,213,535,065.47 - Step 5: Solve for x
x = 95,213,535,065.47/355,319.96 - Step 6: Final answer
x = 267,965.62
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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.