Finding the Fourth Proportional to 368,150.99, 552,315.35 and 128,229.80
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Solution
The fourth proportional to 368,150.99, 552,315.35 and 128,229.80 is: 192,375.66
Step by Step Solution
- Step 1: Write the proportion equation
368,150.99 : 552,315.35 = 128,229.80 : x - Step 2: Convert to fraction form
368,150.99/552,315.35 = 128,229.80/x - Step 3: Cross multiply
368,150.99x = 552,315.35 × 128,229.80 - Step 4: Simplify right side
368,150.99x = 70,823,288,568.79 - Step 5: Solve for x
x = 70,823,288,568.79/368,150.99 - Step 6: Final answer
x = 192,375.66
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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.