Finding the Fourth Proportional to 272,434.32, 408,305.40 and 122,514.48
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Solution
The fourth proportional to 272,434.32, 408,305.40 and 122,514.48 is: 183,616.09
Step by Step Solution
- Step 1: Write the proportion equation
272,434.32 : 408,305.40 = 122,514.48 : x - Step 2: Convert to fraction form
272,434.32/408,305.40 = 122,514.48/x - Step 3: Cross multiply
272,434.32x = 408,305.40 × 122,514.48 - Step 4: Simplify right side
272,434.32x = 50,023,323,762.19 - Step 5: Solve for x
x = 50,023,323,762.19/272,434.32 - Step 6: Final answer
x = 183,616.09
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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.