Finding the Fourth Proportional to 567,183.71, 782,730.20 and 312,551.30
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Solution
The fourth proportional to 567,183.71, 782,730.20 and 312,551.30 is: 431,329.99
Step by Step Solution
- Step 1: Write the proportion equation
567,183.71 : 782,730.20 = 312,551.30 : x - Step 2: Convert to fraction form
567,183.71/782,730.20 = 312,551.30/x - Step 3: Cross multiply
567,183.71x = 782,730.20 × 312,551.30 - Step 4: Simplify right side
567,183.71x = 244,643,341,559.26 - Step 5: Solve for x
x = 244,643,341,559.26/567,183.71 - Step 6: Final answer
x = 431,329.99
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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.