Finding the Fourth Proportional to 350,717.88, 483,990.36 and 189,572.92
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Solution
The fourth proportional to 350,717.88, 483,990.36 and 189,572.92 is: 261,610.46
Step by Step Solution
- Step 1: Write the proportion equation
350,717.88 : 483,990.36 = 189,572.92 : x - Step 2: Convert to fraction form
350,717.88/483,990.36 = 189,572.92/x - Step 3: Cross multiply
350,717.88x = 483,990.36 × 189,572.92 - Step 4: Simplify right side
350,717.88x = 91,751,465,797.05 - Step 5: Solve for x
x = 91,751,465,797.05/350,717.88 - Step 6: Final answer
x = 261,610.46
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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.