Finding the Fourth Proportional to 525,686.32, 725,446.92 and 283,968.91
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Solution
The fourth proportional to 525,686.32, 725,446.92 and 283,968.91 is: 391,876.99
Step by Step Solution
- Step 1: Write the proportion equation
525,686.32 : 725,446.92 = 283,968.91 : x - Step 2: Convert to fraction form
525,686.32/725,446.92 = 283,968.91/x - Step 3: Cross multiply
525,686.32x = 725,446.92 × 283,968.91 - Step 4: Simplify right side
525,686.32x = 206,004,371,135.26 - Step 5: Solve for x
x = 206,004,371,135.26/525,686.32 - Step 6: Final answer
x = 391,876.99
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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.