Finding the Fourth Proportional to 275,699.60, 413,604.76 and 125,899.67
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Solution
The fourth proportional to 275,699.60, 413,604.76 and 125,899.67 is: 188,874.78
Step by Step Solution
- Step 1: Write the proportion equation
275,699.60 : 413,604.76 = 125,899.67 : x - Step 2: Convert to fraction form
275,699.60/413,604.76 = 125,899.67/x - Step 3: Cross multiply
275,699.60x = 413,604.76 × 125,899.67 - Step 4: Simplify right side
275,699.60x = 52,072,701,069.13 - Step 5: Solve for x
x = 52,072,701,069.13/275,699.60 - Step 6: Final answer
x = 188,874.78
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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.