Finding the Fourth Proportional to 195,663.36, 270,014.40 and 106,239.36
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Solution
The fourth proportional to 195,663.36, 270,014.40 and 106,239.36 is: 146,609.75
Step by Step Solution
- Step 1: Write the proportion equation
195,663.36 : 270,014.40 = 106,239.36 : x - Step 2: Convert to fraction form
195,663.36/270,014.40 = 106,239.36/x - Step 3: Cross multiply
195,663.36x = 270,014.40 × 106,239.36 - Step 4: Simplify right side
195,663.36x = 28,686,157,046.78 - Step 5: Solve for x
x = 28,686,157,046.78/195,663.36 - Step 6: Final answer
x = 146,609.75
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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.