Finding the Fourth Proportional to 209,430.63, 288,884.67 and 182,637.45
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Solution
The fourth proportional to 209,430.63, 288,884.67 and 182,637.45 is: 251,926.66
Step by Step Solution
- Step 1: Write the proportion equation
209,430.63 : 288,884.67 = 182,637.45 : x - Step 2: Convert to fraction form
209,430.63/288,884.67 = 182,637.45/x - Step 3: Cross multiply
209,430.63x = 288,884.67 × 182,637.45 - Step 4: Simplify right side
209,430.63x = 52,761,159,472.89 - Step 5: Solve for x
x = 52,761,159,472.89/209,430.63 - Step 6: Final answer
x = 251,926.66
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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.