Finding the Fourth Proportional to 451,185.88, 622,636.51 and 249,981.88
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Solution
The fourth proportional to 451,185.88, 622,636.51 and 249,981.88 is: 344,974.99
Step by Step Solution
- Step 1: Write the proportion equation
451,185.88 : 622,636.51 = 249,981.88 : x - Step 2: Convert to fraction form
451,185.88/622,636.51 = 249,981.88/x - Step 3: Cross multiply
451,185.88x = 622,636.51 × 249,981.88 - Step 4: Simplify right side
451,185.88x = 155,647,842,213.26 - Step 5: Solve for x
x = 155,647,842,213.26/451,185.88 - Step 6: Final answer
x = 344,974.99
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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.