Finding the Fourth Proportional to 275,863.50, 411,381.18 and 273,341.12
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Solution
The fourth proportional to 275,863.50, 411,381.18 and 273,341.12 is: 407,619.68
Step by Step Solution
- Step 1: Write the proportion equation
275,863.50 : 411,381.18 = 273,341.12 : x - Step 2: Convert to fraction form
275,863.50/411,381.18 = 273,341.12/x - Step 3: Cross multiply
275,863.50x = 411,381.18 × 273,341.12 - Step 4: Simplify right side
275,863.50x = 112,447,390,431.22 - Step 5: Solve for x
x = 112,447,390,431.22/275,863.50 - Step 6: Final answer
x = 407,619.68
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.