Finding the Fourth Proportional to 329,120.29, 493,697.36 and 92,481.42
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Solution
The fourth proportional to 329,120.29, 493,697.36 and 92,481.42 is: 138,726.89
Step by Step Solution
- Step 1: Write the proportion equation
329,120.29 : 493,697.36 = 92,481.42 : x - Step 2: Convert to fraction form
329,120.29/493,697.36 = 92,481.42/x - Step 3: Cross multiply
329,120.29x = 493,697.36 × 92,481.42 - Step 4: Simplify right side
329,120.29x = 45,657,832,903.05 - Step 5: Solve for x
x = 45,657,832,903.05/329,120.29 - Step 6: Final answer
x = 138,726.89
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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.