Finding the Fourth Proportional to 275,719.80, 413,579.70 and 135,751.80
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Solution
The fourth proportional to 275,719.80, 413,579.70 and 135,751.80 is: 203,627.70
Step by Step Solution
- Step 1: Write the proportion equation
275,719.80 : 413,579.70 = 135,751.80 : x - Step 2: Convert to fraction form
275,719.80/413,579.70 = 135,751.80/x - Step 3: Cross multiply
275,719.80x = 413,579.70 × 135,751.80 - Step 4: Simplify right side
275,719.80x = 56,144,188,718.46 - Step 5: Solve for x
x = 56,144,188,718.46/275,719.80 - Step 6: Final answer
x = 203,627.70
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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.