Finding the Fourth Proportional to 207,158.99, 285,894.36 and 126,601.92
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Solution
The fourth proportional to 207,158.99, 285,894.36 and 126,601.92 is: 174,719.79
Step by Step Solution
- Step 1: Write the proportion equation
207,158.99 : 285,894.36 = 126,601.92 : x - Step 2: Convert to fraction form
207,158.99/285,894.36 = 126,601.92/x - Step 3: Cross multiply
207,158.99x = 285,894.36 × 126,601.92 - Step 4: Simplify right side
207,158.99x = 36,194,774,893.17 - Step 5: Solve for x
x = 36,194,774,893.17/207,158.99 - Step 6: Final answer
x = 174,719.79
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1.5x scale
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.