Finding the Fourth Proportional to 567,183.20, 782,709.08 and 312,534.45
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Solution
The fourth proportional to 567,183.20, 782,709.08 and 312,534.45 is: 431,295.48
Step by Step Solution
- Step 1: Write the proportion equation
567,183.20 : 782,709.08 = 312,534.45 : x - Step 2: Convert to fraction form
567,183.20/782,709.08 = 312,534.45/x - Step 3: Cross multiply
567,183.20x = 782,709.08 × 312,534.45 - Step 4: Simplify right side
567,183.20x = 244,623,550,265.13 - Step 5: Solve for x
x = 244,623,550,265.13/567,183.20 - Step 6: Final answer
x = 431,295.48
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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.