Finding the Fourth Proportional to 195,730.48, 270,103.36 and 115,163.20
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Solution
The fourth proportional to 195,730.48, 270,103.36 and 115,163.20 is: 158,922.45
Step by Step Solution
- Step 1: Write the proportion equation
195,730.48 : 270,103.36 = 115,163.20 : x - Step 2: Convert to fraction form
195,730.48/270,103.36 = 115,163.20/x - Step 3: Cross multiply
195,730.48x = 270,103.36 × 115,163.20 - Step 4: Simplify right side
195,730.48x = 31,105,967,268.35 - Step 5: Solve for x
x = 31,105,967,268.35/195,730.48 - Step 6: Final answer
x = 158,922.45
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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.