Finding the Fourth Proportional to 226,235.73, 312,170.58 and 130,723.92
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Solution
The fourth proportional to 226,235.73, 312,170.58 and 130,723.92 is: 180,378.94
Step by Step Solution
- Step 1: Write the proportion equation
226,235.73 : 312,170.58 = 130,723.92 : x - Step 2: Convert to fraction form
226,235.73/312,170.58 = 130,723.92/x - Step 3: Cross multiply
226,235.73x = 312,170.58 × 130,723.92 - Step 4: Simplify right side
226,235.73x = 40,808,161,926.27 - Step 5: Solve for x
x = 40,808,161,926.27/226,235.73 - Step 6: Final answer
x = 180,378.94
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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.