Finding the Fourth Proportional to 204,946.28, 307,523.96 and 138,246.62
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Solution
The fourth proportional to 204,946.28, 307,523.96 and 138,246.62 is: 207,440.45
Step by Step Solution
- Step 1: Write the proportion equation
204,946.28 : 307,523.96 = 138,246.62 : x - Step 2: Convert to fraction form
204,946.28/307,523.96 = 138,246.62/x - Step 3: Cross multiply
204,946.28x = 307,523.96 × 138,246.62 - Step 4: Simplify right side
204,946.28x = 42,514,148,039.02 - Step 5: Solve for x
x = 42,514,148,039.02/204,946.28 - Step 6: Final answer
x = 207,440.45
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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.