Finding the Fourth Proportional to 321,888.74, 482,833.08 and 171,673.94
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Solution
The fourth proportional to 321,888.74, 482,833.08 and 171,673.94 is: 257,510.89
Step by Step Solution
- Step 1: Write the proportion equation
321,888.74 : 482,833.08 = 171,673.94 : x - Step 2: Convert to fraction form
321,888.74/482,833.08 = 171,673.94/x - Step 3: Cross multiply
321,888.74x = 482,833.08 × 171,673.94 - Step 4: Simplify right side
321,888.74x = 82,889,857,205.94 - Step 5: Solve for x
x = 82,889,857,205.94/321,888.74 - Step 6: Final answer
x = 257,510.89
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1.5x scale
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.