Finding the Fourth Proportional to 150,315.24, 225,516.06 and 71,320.80
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Solution
The fourth proportional to 150,315.24, 225,516.06 and 71,320.80 is: 107,001.70
Step by Step Solution
- Step 1: Write the proportion equation
150,315.24 : 225,516.06 = 71,320.80 : x - Step 2: Convert to fraction form
150,315.24/225,516.06 = 71,320.80/x - Step 3: Cross multiply
150,315.24x = 225,516.06 × 71,320.80 - Step 4: Simplify right side
150,315.24x = 16,083,985,812.05 - Step 5: Solve for x
x = 16,083,985,812.05/150,315.24 - Step 6: Final answer
x = 107,001.70
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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.