Finding the Fourth Proportional to 560,278.91, 773,183.96 and 305,630.10
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Solution
The fourth proportional to 560,278.91, 773,183.96 and 305,630.10 is: 421,769.02
Step by Step Solution
- Step 1: Write the proportion equation
560,278.91 : 773,183.96 = 305,630.10 : x - Step 2: Convert to fraction form
560,278.91/773,183.96 = 305,630.10/x - Step 3: Cross multiply
560,278.91x = 773,183.96 × 305,630.10 - Step 4: Simplify right side
560,278.91x = 236,308,285,619.13 - Step 5: Solve for x
x = 236,308,285,619.13/560,278.91 - Step 6: Final answer
x = 421,769.02
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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.