Finding the Fourth Proportional to 411,321.80, 616,982.70 and 201,369.80
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Solution
The fourth proportional to 411,321.80, 616,982.70 and 201,369.80 is: 302,054.70
Step by Step Solution
- Step 1: Write the proportion equation
411,321.80 : 616,982.70 = 201,369.80 : x - Step 2: Convert to fraction form
411,321.80/616,982.70 = 201,369.80/x - Step 3: Cross multiply
411,321.80x = 616,982.70 × 201,369.80 - Step 4: Simplify right side
411,321.80x = 124,241,682,902.46 - Step 5: Solve for x
x = 124,241,682,902.46/411,321.80 - Step 6: Final answer
x = 302,054.70
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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.