Finding the Fourth Proportional to 372,287.91, 513,935.79 and 229,170.63
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Solution
The fourth proportional to 372,287.91, 513,935.79 and 229,170.63 is: 316,365.33
Step by Step Solution
- Step 1: Write the proportion equation
372,287.91 : 513,935.79 = 229,170.63 : x - Step 2: Convert to fraction form
372,287.91/513,935.79 = 229,170.63/x - Step 3: Cross multiply
372,287.91x = 513,935.79 × 229,170.63 - Step 4: Simplify right side
372,287.91x = 117,778,988,773.85 - Step 5: Solve for x
x = 117,778,988,773.85/372,287.91 - Step 6: Final answer
x = 316,365.33
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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.