Finding the Fourth Proportional to 150,521.64, 225,753.72 and 75,620.99
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Solution
The fourth proportional to 150,521.64, 225,753.72 and 75,620.99 is: 113,417.04
Step by Step Solution
- Step 1: Write the proportion equation
150,521.64 : 225,753.72 = 75,620.99 : x - Step 2: Convert to fraction form
150,521.64/225,753.72 = 75,620.99/x - Step 3: Cross multiply
150,521.64x = 225,753.72 × 75,620.99 - Step 4: Simplify right side
150,521.64x = 17,071,718,673.81 - Step 5: Solve for x
x = 17,071,718,673.81/150,521.64 - Step 6: Final answer
x = 113,417.04
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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.