Finding the Fourth Proportional to 372,036.66, 513,408.04 and 202,270.79
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Solution
The fourth proportional to 372,036.66, 513,408.04 and 202,270.79 is: 279,132.30
Step by Step Solution
- Step 1: Write the proportion equation
372,036.66 : 513,408.04 = 202,270.79 : x - Step 2: Convert to fraction form
372,036.66/513,408.04 = 202,270.79/x - Step 3: Cross multiply
372,036.66x = 513,408.04 × 202,270.79 - Step 4: Simplify right side
372,036.66x = 103,847,449,843.15 - Step 5: Solve for x
x = 103,847,449,843.15/372,036.66 - Step 6: Final answer
x = 279,132.30
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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.