Finding the Fourth Proportional to 150,603.48, 225,832.47 and 87,439.49
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Solution
The fourth proportional to 150,603.48, 225,832.47 and 87,439.49 is: 131,116.99
Step by Step Solution
- Step 1: Write the proportion equation
150,603.48 : 225,832.47 = 87,439.49 : x - Step 2: Convert to fraction form
150,603.48/225,832.47 = 87,439.49/x - Step 3: Cross multiply
150,603.48x = 225,832.47 × 87,439.49 - Step 4: Simplify right side
150,603.48x = 19,746,674,873.08 - Step 5: Solve for x
x = 19,746,674,873.08/150,603.48 - Step 6: Final answer
x = 131,116.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.