Finding the Fourth Proportional to 361,877.70, 542,816.55 and 328,635.30
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Solution
The fourth proportional to 361,877.70, 542,816.55 and 328,635.30 is: 492,952.95
Step by Step Solution
- Step 1: Write the proportion equation
361,877.70 : 542,816.55 = 328,635.30 : x - Step 2: Convert to fraction form
361,877.70/542,816.55 = 328,635.30/x - Step 3: Cross multiply
361,877.70x = 542,816.55 × 328,635.30 - Step 4: Simplify right side
361,877.70x = 178,388,679,754.22 - Step 5: Solve for x
x = 178,388,679,754.22/361,877.70 - Step 6: Final answer
x = 492,952.95
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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.