Finding the Fourth Proportional to 303,717.25, 455,603.11 and 79,079.63
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Solution
The fourth proportional to 303,717.25, 455,603.11 and 79,079.63 is: 118,626.54
Step by Step Solution
- Step 1: Write the proportion equation
303,717.25 : 455,603.11 = 79,079.63 : x - Step 2: Convert to fraction form
303,717.25/455,603.11 = 79,079.63/x - Step 3: Cross multiply
303,717.25x = 455,603.11 × 79,079.63 - Step 4: Simplify right side
303,717.25x = 36,028,925,695.65 - Step 5: Solve for x
x = 36,028,925,695.65/303,717.25 - Step 6: Final answer
x = 118,626.54
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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.