Finding the Fourth Proportional to 269,498,129.80, 404,247,194.70 and 148,565,777.80
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Solution
The fourth proportional to 269,498,129.80, 404,247,194.70 and 148,565,777.80 is: 222,848,666.70
Step by Step Solution
- Step 1: Write the proportion equation
269,498,129.80 : 404,247,194.70 = 148,565,777.80 : x - Step 2: Convert to fraction form
269,498,129.80/404,247,194.70 = 148,565,777.80/x - Step 3: Cross multiply
269,498,129.80x = 404,247,194.70 × 148,565,777.80 - Step 4: Simplify right side
269,498,129.80x = 60,057,298,904,073,544 - Step 5: Solve for x
x = 60,057,298,904,073,544/269,498,129.80 - Step 6: Final answer
x = 222,848,666.70
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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.