Finding the Fourth Proportional to 480,493.97, 662,971.67 and 286,863.99
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Solution
The fourth proportional to 480,493.97, 662,971.67 and 286,863.99 is: 395,806.63
Step by Step Solution
- Step 1: Write the proportion equation
480,493.97 : 662,971.67 = 286,863.99 : x - Step 2: Convert to fraction form
480,493.97/662,971.67 = 286,863.99/x - Step 3: Cross multiply
480,493.97x = 662,971.67 × 286,863.99 - Step 4: Simplify right side
480,493.97x = 190,182,697,078.84 - Step 5: Solve for x
x = 190,182,697,078.84/480,493.97 - Step 6: Final answer
x = 395,806.63
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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.