Finding the Fourth Proportional to 194,630.70, 291,946.05 and 106,057.20
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Solution
The fourth proportional to 194,630.70, 291,946.05 and 106,057.20 is: 159,085.80
Step by Step Solution
- Step 1: Write the proportion equation
194,630.70 : 291,946.05 = 106,057.20 : x - Step 2: Convert to fraction form
194,630.70/291,946.05 = 106,057.20/x - Step 3: Cross multiply
194,630.70x = 291,946.05 × 106,057.20 - Step 4: Simplify right side
194,630.70x = 30,962,980,614.06 - Step 5: Solve for x
x = 30,962,980,614.06/194,630.70 - Step 6: Final answer
x = 159,085.80
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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.