Finding the Fourth Proportional to 412,369.10, 617,503.60 and 271,701.26
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Solution
The fourth proportional to 412,369.10, 617,503.60 and 271,701.26 is: 406,860.03
Step by Step Solution
- Step 1: Write the proportion equation
412,369.10 : 617,503.60 = 271,701.26 : x - Step 2: Convert to fraction form
412,369.10/617,503.60 = 271,701.26/x - Step 3: Cross multiply
412,369.10x = 617,503.60 × 271,701.26 - Step 4: Simplify right side
412,369.10x = 167,776,506,174.54 - Step 5: Solve for x
x = 167,776,506,174.54/412,369.10 - Step 6: Final answer
x = 406,860.03
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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.