Finding the Fourth Proportional to 144,303.84, 199,135.86 and 80,653.95
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Solution
The fourth proportional to 144,303.84, 199,135.86 and 80,653.95 is: 111,300.53
Step by Step Solution
- Step 1: Write the proportion equation
144,303.84 : 199,135.86 = 80,653.95 : x - Step 2: Convert to fraction form
144,303.84/199,135.86 = 80,653.95/x - Step 3: Cross multiply
144,303.84x = 199,135.86 × 80,653.95 - Step 4: Simplify right side
144,303.84x = 16,061,093,695.65 - Step 5: Solve for x
x = 16,061,093,695.65/144,303.84 - Step 6: Final answer
x = 111,300.53
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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.