Finding the Fourth Proportional to 207,526.91, 310,586.69 and 127,615.07
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Solution
The fourth proportional to 207,526.91, 310,586.69 and 127,615.07 is: 190,989.90
Step by Step Solution
- Step 1: Write the proportion equation
207,526.91 : 310,586.69 = 127,615.07 : x - Step 2: Convert to fraction form
207,526.91/310,586.69 = 127,615.07/x - Step 3: Cross multiply
207,526.91x = 310,586.69 × 127,615.07 - Step 4: Simplify right side
207,526.91x = 39,635,543,280.92 - Step 5: Solve for x
x = 39,635,543,280.92/207,526.91 - Step 6: Final answer
x = 190,989.90
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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.