Finding the Fourth Proportional to 645,824.70, 968,786.58 and 196,583.94
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Solution
The fourth proportional to 645,824.70, 968,786.58 and 196,583.94 is: 294,890.99
Step by Step Solution
- Step 1: Write the proportion equation
645,824.70 : 968,786.58 = 196,583.94 : x - Step 2: Convert to fraction form
645,824.70/968,786.58 = 196,583.94/x - Step 3: Cross multiply
645,824.70x = 968,786.58 × 196,583.94 - Step 4: Simplify right side
645,824.70x = 190,447,882,915.53 - Step 5: Solve for x
x = 190,447,882,915.53/645,824.70 - Step 6: Final answer
x = 294,890.99
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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.