Finding the Fourth Proportional to 284,257.08, 426,134.64 and 115,918.20
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Solution
The fourth proportional to 284,257.08, 426,134.64 and 115,918.20 is: 173,774.95
Step by Step Solution
- Step 1: Write the proportion equation
284,257.08 : 426,134.64 = 115,918.20 : x - Step 2: Convert to fraction form
284,257.08/426,134.64 = 115,918.20/x - Step 3: Cross multiply
284,257.08x = 426,134.64 × 115,918.20 - Step 4: Simplify right side
284,257.08x = 49,396,760,426.45 - Step 5: Solve for x
x = 49,396,760,426.45/284,257.08 - Step 6: Final answer
x = 173,774.95
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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.