Finding the Fourth Proportional to 665,633.80, 998,450.70 and 245,073.70
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Solution
The fourth proportional to 665,633.80, 998,450.70 and 245,073.70 is: 367,610.55
Step by Step Solution
- Step 1: Write the proportion equation
665,633.80 : 998,450.70 = 245,073.70 : x - Step 2: Convert to fraction form
665,633.80/998,450.70 = 245,073.70/x - Step 3: Cross multiply
665,633.80x = 998,450.70 × 245,073.70 - Step 4: Simplify right side
665,633.80x = 244,694,007,316.59 - Step 5: Solve for x
x = 244,694,007,316.59/665,633.80 - Step 6: Final answer
x = 367,610.55
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Similar ratio
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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.