Finding the Fourth Proportional to 307,947.99, 461,951.15 and 120,915.75
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Solution
The fourth proportional to 307,947.99, 461,951.15 and 120,915.75 is: 181,385.08
Step by Step Solution
- Step 1: Write the proportion equation
307,947.99 : 461,951.15 = 120,915.75 : x - Step 2: Convert to fraction form
307,947.99/461,951.15 = 120,915.75/x - Step 3: Cross multiply
307,947.99x = 461,951.15 × 120,915.75 - Step 4: Simplify right side
307,947.99x = 55,857,169,765.61 - Step 5: Solve for x
x = 55,857,169,765.61/307,947.99 - Step 6: Final answer
x = 181,385.08
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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.