Finding the Fourth Proportional to 415,088.37, 622,720.04 and 134,583.75
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Solution
The fourth proportional to 415,088.37, 622,720.04 and 134,583.75 is: 201,903.99
Step by Step Solution
- Step 1: Write the proportion equation
415,088.37 : 622,720.04 = 134,583.75 : x - Step 2: Convert to fraction form
415,088.37/622,720.04 = 134,583.75/x - Step 3: Cross multiply
415,088.37x = 622,720.04 × 134,583.75 - Step 4: Simplify right side
415,088.37x = 83,807,997,510.43 - Step 5: Solve for x
x = 83,807,997,510.43/415,088.37 - Step 6: Final answer
x = 201,903.99
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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.