Finding the Fourth Proportional to 284,293.85, 426,438.68 and 115,774.56
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Solution
The fourth proportional to 284,293.85, 426,438.68 and 115,774.56 is: 173,660.99
Step by Step Solution
- Step 1: Write the proportion equation
284,293.85 : 426,438.68 = 115,774.56 : x - Step 2: Convert to fraction form
284,293.85/426,438.68 = 115,774.56/x - Step 3: Cross multiply
284,293.85x = 426,438.68 × 115,774.56 - Step 4: Simplify right side
284,293.85x = 49,370,749,965.11 - Step 5: Solve for x
x = 49,370,749,965.11/284,293.85 - Step 6: Final answer
x = 173,660.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.