Finding the Fourth Proportional to 372,272.20, 558,408.30 and 268,073.80
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Solution
The fourth proportional to 372,272.20, 558,408.30 and 268,073.80 is: 402,110.70
Step by Step Solution
- Step 1: Write the proportion equation
372,272.20 : 558,408.30 = 268,073.80 : x - Step 2: Convert to fraction form
372,272.20/558,408.30 = 268,073.80/x - Step 3: Cross multiply
372,272.20x = 558,408.30 × 268,073.80 - Step 4: Simplify right side
372,272.20x = 149,694,634,932.54 - Step 5: Solve for x
x = 149,694,634,932.54/372,272.20 - Step 6: Final answer
x = 402,110.70
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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.