Finding the Fourth Proportional to 351,761.16, 485,430.80 and 190,614.79
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Solution
The fourth proportional to 351,761.16, 485,430.80 and 190,614.79 is: 263,048.63
Step by Step Solution
- Step 1: Write the proportion equation
351,761.16 : 485,430.80 = 190,614.79 : x - Step 2: Convert to fraction form
351,761.16/485,430.80 = 190,614.79/x - Step 3: Cross multiply
351,761.16x = 485,430.80 × 190,614.79 - Step 4: Simplify right side
351,761.16x = 92,530,290,001.53 - Step 5: Solve for x
x = 92,530,290,001.53/351,761.16 - Step 6: Final answer
x = 263,048.63
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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.