Finding the Fourth Proportional to 415,158.09, 622,933.95 and 247,010.59
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Solution
The fourth proportional to 415,158.09, 622,933.95 and 247,010.59 is: 370,632.99
Step by Step Solution
- Step 1: Write the proportion equation
415,158.09 : 622,933.95 = 247,010.59 : x - Step 2: Convert to fraction form
415,158.09/622,933.95 = 247,010.59/x - Step 3: Cross multiply
415,158.09x = 622,933.95 × 247,010.59 - Step 4: Simplify right side
415,158.09x = 153,871,282,520.53 - Step 5: Solve for x
x = 153,871,282,520.53/415,158.09 - Step 6: Final answer
x = 370,632.99
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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.