Finding the Fourth Proportional to 338,073.08, 506,372.72 and 169,299.05
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Solution
The fourth proportional to 338,073.08, 506,372.72 and 169,299.05 is: 253,579.55
Step by Step Solution
- Step 1: Write the proportion equation
338,073.08 : 506,372.72 = 169,299.05 : x - Step 2: Convert to fraction form
338,073.08/506,372.72 = 169,299.05/x - Step 3: Cross multiply
338,073.08x = 506,372.72 × 169,299.05 - Step 4: Simplify right side
338,073.08x = 85,728,417,063.56 - Step 5: Solve for x
x = 85,728,417,063.56/338,073.08 - Step 6: Final answer
x = 253,579.55
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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.