Finding the Fourth Proportional to 417,529.41, 576,197.30 and 226,542.81
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Solution
The fourth proportional to 417,529.41, 576,197.30 and 226,542.81 is: 312,632.72
Step by Step Solution
- Step 1: Write the proportion equation
417,529.41 : 576,197.30 = 226,542.81 : x - Step 2: Convert to fraction form
417,529.41/576,197.30 = 226,542.81/x - Step 3: Cross multiply
417,529.41x = 576,197.30 × 226,542.81 - Step 4: Simplify right side
417,529.41x = 130,533,354,323.70 - Step 5: Solve for x
x = 130,533,354,323.70/417,529.41 - Step 6: Final answer
x = 312,632.72
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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.