Finding the Fourth Proportional to 276,115.80, 413,882.10 and 157,531.80
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Solution
The fourth proportional to 276,115.80, 413,882.10 and 157,531.80 is: 236,131.33
Step by Step Solution
- Step 1: Write the proportion equation
276,115.80 : 413,882.10 = 157,531.80 : x - Step 2: Convert to fraction form
276,115.80/413,882.10 = 157,531.80/x - Step 3: Cross multiply
276,115.80x = 413,882.10 × 157,531.80 - Step 4: Simplify right side
276,115.80x = 65,199,592,200.78 - Step 5: Solve for x
x = 65,199,592,200.78/276,115.80 - Step 6: Final answer
x = 236,131.33
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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.