Finding the Fourth Proportional to 580,977.63, 871,464.70 and 154,513.09
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Solution
The fourth proportional to 580,977.63, 871,464.70 and 154,513.09 is: 231,769.17
Step by Step Solution
- Step 1: Write the proportion equation
580,977.63 : 871,464.70 = 154,513.09 : x - Step 2: Convert to fraction form
580,977.63/871,464.70 = 154,513.09/x - Step 3: Cross multiply
580,977.63x = 871,464.70 × 154,513.09 - Step 4: Simplify right side
580,977.63x = 134,652,703,622.92 - Step 5: Solve for x
x = 134,652,703,622.92/580,977.63 - Step 6: Final answer
x = 231,769.17
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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.