Finding the Fourth Proportional to 194,812.70, 292,219.05 and 161,570.30
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Solution
The fourth proportional to 194,812.70, 292,219.05 and 161,570.30 is: 242,355.45
Step by Step Solution
- Step 1: Write the proportion equation
194,812.70 : 292,219.05 = 161,570.30 : x - Step 2: Convert to fraction form
194,812.70/292,219.05 = 161,570.30/x - Step 3: Cross multiply
194,812.70x = 292,219.05 × 161,570.30 - Step 4: Simplify right side
194,812.70x = 47,213,919,574.22 - Step 5: Solve for x
x = 47,213,919,574.22/194,812.70 - Step 6: Final answer
x = 242,355.45
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1.5x scale
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.