Finding the Fourth Proportional to 329,129.20, 493,693.80 and 329,129.20
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Solution
The fourth proportional to 329,129.20, 493,693.80 and 329,129.20 is: 493,693.80
Step by Step Solution
- Step 1: Write the proportion equation
329,129.20 : 493,693.80 = 329,129.20 : x - Step 2: Convert to fraction form
329,129.20/493,693.80 = 329,129.20/x - Step 3: Cross multiply
329,129.20x = 493,693.80 × 329,129.20 - Step 4: Simplify right side
329,129.20x = 162,489,045,438.96 - Step 5: Solve for x
x = 162,489,045,438.96/329,129.20 - Step 6: Final answer
x = 493,693.80
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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.