Finding the Fourth Proportional to 182,431.80, 273,647.70 and 103,699.80
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Solution
The fourth proportional to 182,431.80, 273,647.70 and 103,699.80 is: 155,549.70
Step by Step Solution
- Step 1: Write the proportion equation
182,431.80 : 273,647.70 = 103,699.80 : x - Step 2: Convert to fraction form
182,431.80/273,647.70 = 103,699.80/x - Step 3: Cross multiply
182,431.80x = 273,647.70 × 103,699.80 - Step 4: Simplify right side
182,431.80x = 28,377,211,760.46 - Step 5: Solve for x
x = 28,377,211,760.46/182,431.80 - Step 6: Final answer
x = 155,549.70
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1.5x scale
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.