Finding the Fourth Proportional to 314,827.24, 472,246.62 and 115,147.48
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Solution
The fourth proportional to 314,827.24, 472,246.62 and 115,147.48 is: 172,723.33
Step by Step Solution
- Step 1: Write the proportion equation
314,827.24 : 472,246.62 = 115,147.48 : x - Step 2: Convert to fraction form
314,827.24/472,246.62 = 115,147.48/x - Step 3: Cross multiply
314,827.24x = 472,246.62 × 115,147.48 - Step 4: Simplify right side
314,827.24x = 54,378,008,231.52 - Step 5: Solve for x
x = 54,378,008,231.52/314,827.24 - Step 6: Final answer
x = 172,723.33
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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.