Finding the Fourth Proportional to 150,310.13, 207,328.19 and 96,663.02
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Solution
The fourth proportional to 150,310.13, 207,328.19 and 96,663.02 is: 133,330.79
Step by Step Solution
- Step 1: Write the proportion equation
150,310.13 : 207,328.19 = 96,663.02 : x - Step 2: Convert to fraction form
150,310.13/207,328.19 = 96,663.02/x - Step 3: Cross multiply
150,310.13x = 207,328.19 × 96,663.02 - Step 4: Simplify right side
150,310.13x = 20,040,967,456.58 - Step 5: Solve for x
x = 20,040,967,456.58/150,310.13 - Step 6: Final answer
x = 133,330.79
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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.