Finding the Fourth Proportional to 621,804.20, 932,706.30 and 201,122.60
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Solution
The fourth proportional to 621,804.20, 932,706.30 and 201,122.60 is: 301,683.90
Step by Step Solution
- Step 1: Write the proportion equation
621,804.20 : 932,706.30 = 201,122.60 : x - Step 2: Convert to fraction form
621,804.20/932,706.30 = 201,122.60/x - Step 3: Cross multiply
621,804.20x = 932,706.30 × 201,122.60 - Step 4: Simplify right side
621,804.20x = 187,588,316,092.38 - Step 5: Solve for x
x = 187,588,316,092.38/621,804.20 - Step 6: Final answer
x = 301,683.90
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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.