Finding the Fourth Proportional to 451,897.97, 623,630.68 and 247,948.84
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Solution
The fourth proportional to 451,897.97, 623,630.68 and 247,948.84 is: 342,175.70
Step by Step Solution
- Step 1: Write the proportion equation
451,897.97 : 623,630.68 = 247,948.84 : x - Step 2: Convert to fraction form
451,897.97/623,630.68 = 247,948.84/x - Step 3: Cross multiply
451,897.97x = 623,630.68 × 247,948.84 - Step 4: Simplify right side
451,897.97x = 154,628,503,694.41 - Step 5: Solve for x
x = 154,628,503,694.41/451,897.97 - Step 6: Final answer
x = 342,175.70
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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.