Finding the Fourth Proportional to 207,083.96, 285,707.16 and 168,777.68
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Solution
The fourth proportional to 207,083.96, 285,707.16 and 168,777.68 is: 232,857.20
Step by Step Solution
- Step 1: Write the proportion equation
207,083.96 : 285,707.16 = 168,777.68 : x - Step 2: Convert to fraction form
207,083.96/285,707.16 = 168,777.68/x - Step 3: Cross multiply
207,083.96x = 285,707.16 × 168,777.68 - Step 4: Simplify right side
207,083.96x = 48,220,991,624.19 - Step 5: Solve for x
x = 48,220,991,624.19/207,083.96 - Step 6: Final answer
x = 232,857.20
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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.