Finding the Fourth Proportional to 406,335.30, 560,747.18 and 225,050.09
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Solution
The fourth proportional to 406,335.30, 560,747.18 and 225,050.09 is: 310,571.59
Step by Step Solution
- Step 1: Write the proportion equation
406,335.30 : 560,747.18 = 225,050.09 : x - Step 2: Convert to fraction form
406,335.30/560,747.18 = 225,050.09/x - Step 3: Cross multiply
406,335.30x = 560,747.18 × 225,050.09 - Step 4: Simplify right side
406,335.30x = 126,196,199,397.26 - Step 5: Solve for x
x = 126,196,199,397.26/406,335.30 - Step 6: Final answer
x = 310,571.59
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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.