Finding the Fourth Proportional to 496,165.50, 684,687.71 and 281,320.08
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Solution
The fourth proportional to 496,165.50, 684,687.71 and 281,320.08 is: 388,209.99
Step by Step Solution
- Step 1: Write the proportion equation
496,165.50 : 684,687.71 = 281,320.08 : x - Step 2: Convert to fraction form
496,165.50/684,687.71 = 281,320.08/x - Step 3: Cross multiply
496,165.50x = 684,687.71 × 281,320.08 - Step 4: Simplify right side
496,165.50x = 192,616,401,352.22 - Step 5: Solve for x
x = 192,616,401,352.22/496,165.50 - Step 6: Final answer
x = 388,209.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.