Finding the Fourth Proportional to 835,246.84, 1,253,005.96 and 258,735.49
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Solution
The fourth proportional to 835,246.84, 1,253,005.96 and 258,735.49 is: 388,145.27
Step by Step Solution
- Step 1: Write the proportion equation
835,246.84 : 1,253,005.96 = 258,735.49 : x - Step 2: Convert to fraction form
835,246.84/1,253,005.96 = 258,735.49/x - Step 3: Cross multiply
835,246.84x = 1,253,005.96 × 258,735.49 - Step 4: Simplify right side
835,246.84x = 324,197,111,263.38 - Step 5: Solve for x
x = 324,197,111,263.38/835,246.84 - Step 6: Final answer
x = 388,145.27
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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.