Finding the Fourth Proportional to 339,372.10, 508,283.14 and 162,003.68
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Solution
The fourth proportional to 339,372.10, 508,283.14 and 162,003.68 is: 242,635.56
Step by Step Solution
- Step 1: Write the proportion equation
339,372.10 : 508,283.14 = 162,003.68 : x - Step 2: Convert to fraction form
339,372.10/508,283.14 = 162,003.68/x - Step 3: Cross multiply
339,372.10x = 508,283.14 × 162,003.68 - Step 4: Simplify right side
339,372.10x = 82,343,739,161.96 - Step 5: Solve for x
x = 82,343,739,161.96/339,372.10 - Step 6: Final answer
x = 242,635.56
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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.