Finding the Fourth Proportional to 451,907.92, 677,035.68 and 211,580.92
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Solution
The fourth proportional to 451,907.92, 677,035.68 and 211,580.92 is: 316,984.56
Step by Step Solution
- Step 1: Write the proportion equation
451,907.92 : 677,035.68 = 211,580.92 : x - Step 2: Convert to fraction form
451,907.92/677,035.68 = 211,580.92/x - Step 3: Cross multiply
451,907.92x = 677,035.68 × 211,580.92 - Step 4: Simplify right side
451,907.92x = 143,247,832,047.23 - Step 5: Solve for x
x = 143,247,832,047.23/451,907.92 - Step 6: Final answer
x = 316,984.56
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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.