Finding the Fourth Proportional to 303,935.44, 455,862.12 and 79,311.64
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Solution
The fourth proportional to 303,935.44, 455,862.12 and 79,311.64 is: 118,956.75
Step by Step Solution
- Step 1: Write the proportion equation
303,935.44 : 455,862.12 = 79,311.64 : x - Step 2: Convert to fraction form
303,935.44/455,862.12 = 79,311.64/x - Step 3: Cross multiply
303,935.44x = 455,862.12 × 79,311.64 - Step 4: Simplify right side
303,935.44x = 36,155,172,351.08 - Step 5: Solve for x
x = 36,155,172,351.08/303,935.44 - Step 6: Final answer
x = 118,956.75
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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.