Finding the Fourth Proportional to 324,611.98, 489,133.69 and 266,743.96
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Solution
The fourth proportional to 324,611.98, 489,133.69 and 266,743.96 is: 401,936.66
Step by Step Solution
- Step 1: Write the proportion equation
324,611.98 : 489,133.69 = 266,743.96 : x - Step 2: Convert to fraction form
324,611.98/489,133.69 = 266,743.96/x - Step 3: Cross multiply
324,611.98x = 489,133.69 × 266,743.96 - Step 4: Simplify right side
324,611.98x = 130,473,457,329.13 - Step 5: Solve for x
x = 130,473,457,329.13/324,611.98 - Step 6: Final answer
x = 401,936.66
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.