Finding the Fourth Proportional to 372,046.96, 513,445.80 and 202,277.44
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Solution
The fourth proportional to 372,046.96, 513,445.80 and 202,277.44 is: 279,154.28
Step by Step Solution
- Step 1: Write the proportion equation
372,046.96 : 513,445.80 = 202,277.44 : x - Step 2: Convert to fraction form
372,046.96/513,445.80 = 202,277.44/x - Step 3: Cross multiply
372,046.96x = 513,445.80 × 202,277.44 - Step 4: Simplify right side
372,046.96x = 103,858,502,002.75 - Step 5: Solve for x
x = 103,858,502,002.75/372,046.96 - Step 6: Final answer
x = 279,154.28
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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.