Finding the Fourth Proportional to 277,305.80, 415,958.70 and 259,809.80
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Solution
The fourth proportional to 277,305.80, 415,958.70 and 259,809.80 is: 389,714.70
Step by Step Solution
- Step 1: Write the proportion equation
277,305.80 : 415,958.70 = 259,809.80 : x - Step 2: Convert to fraction form
277,305.80/415,958.70 = 259,809.80/x - Step 3: Cross multiply
277,305.80x = 415,958.70 × 259,809.80 - Step 4: Simplify right side
277,305.80x = 108,070,146,655.26 - Step 5: Solve for x
x = 108,070,146,655.26/277,305.80 - Step 6: Final answer
x = 389,714.70
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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.