Finding the Fourth Proportional to 268,000.91, 401,939.97 and 159,960.75
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Solution
The fourth proportional to 268,000.91, 401,939.97 and 159,960.75 is: 239,904.48
Step by Step Solution
- Step 1: Write the proportion equation
268,000.91 : 401,939.97 = 159,960.75 : x - Step 2: Convert to fraction form
268,000.91/401,939.97 = 159,960.75/x - Step 3: Cross multiply
268,000.91x = 401,939.97 × 159,960.75 - Step 4: Simplify right side
268,000.91x = 64,294,619,056.18 - Step 5: Solve for x
x = 64,294,619,056.18/268,000.91 - Step 6: Final answer
x = 239,904.48
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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.