Finding the Fourth Proportional to 321,984,329.80, 482,976,494.70 and 241,362,761.80
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Solution
The fourth proportional to 321,984,329.80, 482,976,494.70 and 241,362,761.80 is: 362,044,142.70
Step by Step Solution
- Step 1: Write the proportion equation
321,984,329.80 : 482,976,494.70 = 241,362,761.80 : x - Step 2: Convert to fraction form
321,984,329.80/482,976,494.70 = 241,362,761.80/x - Step 3: Cross multiply
321,984,329.80x = 482,976,494.70 × 241,362,761.80 - Step 4: Simplify right side
321,984,329.80x = 116,572,540,645,275,072 - Step 5: Solve for x
x = 116,572,540,645,275,072/321,984,329.80 - Step 6: Final answer
x = 362,044,142.70
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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.