Finding the Fourth Proportional to 329,000.67, 493,704.05 and 129,285.99
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Solution
The fourth proportional to 329,000.67, 493,704.05 and 129,285.99 is: 194,008.77
Step by Step Solution
- Step 1: Write the proportion equation
329,000.67 : 493,704.05 = 129,285.99 : x - Step 2: Convert to fraction form
329,000.67/493,704.05 = 129,285.99/x - Step 3: Cross multiply
329,000.67x = 493,704.05 × 129,285.99 - Step 4: Simplify right side
329,000.67x = 63,829,016,224.83 - Step 5: Solve for x
x = 63,829,016,224.83/329,000.67 - Step 6: Final answer
x = 194,008.77
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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.