Finding the Fourth Proportional to 150,165.61, 207,229.13 and 96,451.09
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Solution
The fourth proportional to 150,165.61, 207,229.13 and 96,451.09 is: 133,102.88
Step by Step Solution
- Step 1: Write the proportion equation
150,165.61 : 207,229.13 = 96,451.09 : x - Step 2: Convert to fraction form
150,165.61/207,229.13 = 96,451.09/x - Step 3: Cross multiply
150,165.61x = 207,229.13 × 96,451.09 - Step 4: Simplify right side
150,165.61x = 19,987,475,468.25 - Step 5: Solve for x
x = 19,987,475,468.25/150,165.61 - Step 6: Final answer
x = 133,102.88
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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.