Finding the Fourth Proportional to 145,713.99, 218,551.84 and 45,874.70
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Solution
The fourth proportional to 145,713.99, 218,551.84 and 45,874.70 is: 68,806.02
Step by Step Solution
- Step 1: Write the proportion equation
145,713.99 : 218,551.84 = 45,874.70 : x - Step 2: Convert to fraction form
145,713.99/218,551.84 = 45,874.70/x - Step 3: Cross multiply
145,713.99x = 218,551.84 × 45,874.70 - Step 4: Simplify right side
145,713.99x = 10,025,999,865.07 - Step 5: Solve for x
x = 10,025,999,865.07/145,713.99 - Step 6: Final answer
x = 68,806.02
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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.