Finding the Fourth Proportional to 445,197.84, 667,838.16 and 145,680.36
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Solution
The fourth proportional to 445,197.84, 667,838.16 and 145,680.36 is: 218,534.09
Step by Step Solution
- Step 1: Write the proportion equation
445,197.84 : 667,838.16 = 145,680.36 : x - Step 2: Convert to fraction form
445,197.84/667,838.16 = 145,680.36/x - Step 3: Cross multiply
445,197.84x = 667,838.16 × 145,680.36 - Step 4: Simplify right side
445,197.84x = 97,290,903,570.54 - Step 5: Solve for x
x = 97,290,903,570.54/445,197.84 - Step 6: Final answer
x = 218,534.09
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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.