Finding the Fourth Proportional to 423,704.08, 584,716.44 and 232,721.92
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Solution
The fourth proportional to 423,704.08, 584,716.44 and 232,721.92 is: 321,158.89
Step by Step Solution
- Step 1: Write the proportion equation
423,704.08 : 584,716.44 = 232,721.92 : x - Step 2: Convert to fraction form
423,704.08/584,716.44 = 232,721.92/x - Step 3: Cross multiply
423,704.08x = 584,716.44 × 232,721.92 - Step 4: Simplify right side
423,704.08x = 136,076,332,572.37 - Step 5: Solve for x
x = 136,076,332,572.37/423,704.08 - Step 6: Final answer
x = 321,158.89
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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.