Finding the Fourth Proportional to 145,438.92, 218,151.99 and 45,596.88
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Solution
The fourth proportional to 145,438.92, 218,151.99 and 45,596.88 is: 68,393.32
Step by Step Solution
- Step 1: Write the proportion equation
145,438.92 : 218,151.99 = 45,596.88 : x - Step 2: Convert to fraction form
145,438.92/218,151.99 = 45,596.88/x - Step 3: Cross multiply
145,438.92x = 218,151.99 × 45,596.88 - Step 4: Simplify right side
145,438.92x = 9,947,050,109.79 - Step 5: Solve for x
x = 9,947,050,109.79/145,438.92 - Step 6: Final answer
x = 68,393.32
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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.