Finding the Fourth Proportional to 544,381.12, 816,737.66 and 278,328.44
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Solution
The fourth proportional to 544,381.12, 816,737.66 and 278,328.44 is: 417,577.52
Step by Step Solution
- Step 1: Write the proportion equation
544,381.12 : 816,737.66 = 278,328.44 : x - Step 2: Convert to fraction form
544,381.12/816,737.66 = 278,328.44/x - Step 3: Cross multiply
544,381.12x = 816,737.66 × 278,328.44 - Step 4: Simplify right side
544,381.12x = 227,321,318,797.05 - Step 5: Solve for x
x = 227,321,318,797.05/544,381.12 - Step 6: Final answer
x = 417,577.52
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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.