Finding the Fourth Proportional to 321,694.64, 482,545.45 and 97,057.09
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Solution
The fourth proportional to 321,694.64, 482,545.45 and 97,057.09 is: 145,586.68
Step by Step Solution
- Step 1: Write the proportion equation
321,694.64 : 482,545.45 = 97,057.09 : x - Step 2: Convert to fraction form
321,694.64/482,545.45 = 97,057.09/x - Step 3: Cross multiply
321,694.64x = 482,545.45 × 97,057.09 - Step 4: Simplify right side
321,694.64x = 46,834,455,179.93 - Step 5: Solve for x
x = 46,834,455,179.93/321,694.64 - Step 6: Final answer
x = 145,586.68
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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.