Finding the Fourth Proportional to 383,308.15, 574,596.18 and 143,356.99
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Solution
The fourth proportional to 383,308.15, 574,596.18 and 143,356.99 is: 214,898.58
Step by Step Solution
- Step 1: Write the proportion equation
383,308.15 : 574,596.18 = 143,356.99 : x - Step 2: Convert to fraction form
383,308.15/574,596.18 = 143,356.99/x - Step 3: Cross multiply
383,308.15x = 574,596.18 × 143,356.99 - Step 4: Simplify right side
383,308.15x = 82,372,378,471.18 - Step 5: Solve for x
x = 82,372,378,471.18/383,308.15 - Step 6: Final answer
x = 214,898.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.