Finding the Fourth Proportional to 324,437.14, 486,617.37 and 99,797.14
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Solution
The fourth proportional to 324,437.14, 486,617.37 and 99,797.14 is: 149,683.92
Step by Step Solution
- Step 1: Write the proportion equation
324,437.14 : 486,617.37 = 99,797.14 : x - Step 2: Convert to fraction form
324,437.14/486,617.37 = 99,797.14/x - Step 3: Cross multiply
324,437.14x = 486,617.37 × 99,797.14 - Step 4: Simplify right side
324,437.14x = 48,563,021,800.32 - Step 5: Solve for x
x = 48,563,021,800.32/324,437.14 - Step 6: Final answer
x = 149,683.92
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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.