Finding the Fourth Proportional to 767,382.84, 1,151,179.29 and 261,808.08
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Solution
The fourth proportional to 767,382.84, 1,151,179.29 and 261,808.08 is: 392,747.95
Step by Step Solution
- Step 1: Write the proportion equation
767,382.84 : 1,151,179.29 = 261,808.08 : x - Step 2: Convert to fraction form
767,382.84/1,151,179.29 = 261,808.08/x - Step 3: Cross multiply
767,382.84x = 1,151,179.29 × 261,808.08 - Step 4: Simplify right side
767,382.84x = 301,388,039,650.66 - Step 5: Solve for x
x = 301,388,039,650.66/767,382.84 - Step 6: Final answer
x = 392,747.95
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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.