Finding the Fourth Proportional to 284,865.10, 427,030.35 and 107,491.30
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Solution
The fourth proportional to 284,865.10, 427,030.35 and 107,491.30 is: 161,136.09
Step by Step Solution
- Step 1: Write the proportion equation
284,865.10 : 427,030.35 = 107,491.30 : x - Step 2: Convert to fraction form
284,865.10/427,030.35 = 107,491.30/x - Step 3: Cross multiply
284,865.10x = 427,030.35 × 107,491.30 - Step 4: Simplify right side
284,865.10x = 45,902,047,460.96 - Step 5: Solve for x
x = 45,902,047,460.96/284,865.10 - Step 6: Final answer
x = 161,136.09
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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.